diff --git a/FiltersPlugin/manifest.mf b/FiltersPlugin/manifest.mf
index d7b4c7c49..7af43194c 100644
--- a/FiltersPlugin/manifest.mf
+++ b/FiltersPlugin/manifest.mf
@@ -2,5 +2,5 @@ Manifest-Version: 1.0
 AutoUpdate-Essential-Module: true
 OpenIDE-Module: org.gephi.filters.plugin
 OpenIDE-Module-Localizing-Bundle: org/gephi/filters/plugin/Bundle.properties
-OpenIDE-Module-Specification-Version: 0.8.0.3
+OpenIDE-Module-Specification-Version: 0.8.0.4
 
diff --git a/FiltersPlugin/src/org/gephi/filters/plugin/attribute/AttributeRangeBuilder.java b/FiltersPlugin/src/org/gephi/filters/plugin/attribute/AttributeRangeBuilder.java
index 375f53d42..cd2c1811a 100644
--- a/FiltersPlugin/src/org/gephi/filters/plugin/attribute/AttributeRangeBuilder.java
+++ b/FiltersPlugin/src/org/gephi/filters/plugin/attribute/AttributeRangeBuilder.java
@@ -173,7 +173,7 @@ public static class AttributeRangeFilter implements RangeFilter, Filter {
         private AttributeColumn column;
         private DynamicAttributesHelper dynamicHelper = new DynamicAttributesHelper(this, null);
         //States
-        private Comparable[] values;
+        private Comparable[] values = new Comparable[0];
 
         public AttributeRangeFilter(AttributeColumn column) {
             this.column = column;
@@ -283,7 +283,7 @@ public Range getRange() {
         }
 
         public void setRange(Range range) {
-            if (range.getMinimum() == null && range.getMaximum() == null) {
+            if (range.getMinimum() == null && range.getMaximum() == null && this.range != null) {
                 //Opening project
                 this.range = new Range(range.getLowerBound(), range.getUpperBound(), this.range.getMinimum(), this.range.getMaximum());
             } else {
diff --git a/FiltersPlugin/src/org/gephi/filters/plugin/edge/EdgeWeightBuilder.java b/FiltersPlugin/src/org/gephi/filters/plugin/edge/EdgeWeightBuilder.java
index 3051a3485..66d013361 100644
--- a/FiltersPlugin/src/org/gephi/filters/plugin/edge/EdgeWeightBuilder.java
+++ b/FiltersPlugin/src/org/gephi/filters/plugin/edge/EdgeWeightBuilder.java
@@ -106,7 +106,7 @@ public static class EdgeWeightFilter implements RangeFilter, EdgeFilter {
         private Range range;
         private DynamicAttributesHelper dynamicHelper = new DynamicAttributesHelper(this, null);
         //States
-        private List<Float> values;
+        private List<Float> values = new ArrayList<Float>();
 
         public String getName() {
             return NbBundle.getMessage(EdgeWeightBuilder.class, "EdgeWeightBuilder.name");
@@ -172,7 +172,7 @@ public Range getRange() {
         }
 
         public void setRange(Range range) {
-            if (range.getMinimum() == null && range.getMaximum() == null) {
+            if (range.getMinimum() == null && range.getMaximum() == null && this.range != null) {
                 //Opening project
                 this.range = new Range(range.getLowerBound(), range.getUpperBound(), this.range.getMinimum(), this.range.getMaximum());
             } else {
diff --git a/FiltersPlugin/src/org/gephi/filters/plugin/graph/DegreeRangeBuilder.java b/FiltersPlugin/src/org/gephi/filters/plugin/graph/DegreeRangeBuilder.java
index 643263c44..bd716a7ec 100644
--- a/FiltersPlugin/src/org/gephi/filters/plugin/graph/DegreeRangeBuilder.java
+++ b/FiltersPlugin/src/org/gephi/filters/plugin/graph/DegreeRangeBuilder.java
@@ -103,7 +103,7 @@ public static class DegreeRangeFilter implements RangeFilter, NodeFilter {
 
         private Range range;
         //States
-        private List<Integer> values;
+        private List<Integer> values = new ArrayList<Integer>();
 
         public String getName() {
             return NbBundle.getMessage(DegreeRangeBuilder.class, "DegreeRangeBuilder.name");
@@ -169,7 +169,7 @@ public Range getRange() {
         }
 
         public void setRange(Range range) {
-            if (range.getMinimum() == null && range.getMaximum() == null) {
+            if (range.getMinimum() == null && range.getMaximum() == null && this.range != null) {
                 //Opening project
                 this.range = new Range(range.getLowerBound(), range.getUpperBound(), this.range.getMinimum(), this.range.getMaximum());
             } else {
diff --git a/FiltersPlugin/src/org/gephi/filters/plugin/graph/InDegreeRangeBuilder.java b/FiltersPlugin/src/org/gephi/filters/plugin/graph/InDegreeRangeBuilder.java
index 09298961e..21ba1b7d3 100644
--- a/FiltersPlugin/src/org/gephi/filters/plugin/graph/InDegreeRangeBuilder.java
+++ b/FiltersPlugin/src/org/gephi/filters/plugin/graph/InDegreeRangeBuilder.java
@@ -105,7 +105,7 @@ public static class InDegreeRangeFilter implements RangeFilter, NodeFilter {
 
         private Range range;
         //States
-        private List<Integer> values;
+        private List<Integer> values = new ArrayList<Integer>();
 
         public String getName() {
             return NbBundle.getMessage(InDegreeRangeBuilder.class, "InDegreeRangeBuilder.name");
@@ -171,7 +171,7 @@ public Range getRange() {
         }
 
         public void setRange(Range range) {
-            if (range.getMinimum() == null && range.getMaximum() == null) {
+            if (range.getMinimum() == null && range.getMaximum() == null && this.range != null) {
                 //Opening project
                 this.range = new Range(range.getLowerBound(), range.getUpperBound(), this.range.getMinimum(), this.range.getMaximum());
             } else {
diff --git a/FiltersPlugin/src/org/gephi/filters/plugin/graph/MutualDegreeRangeBuilder.java b/FiltersPlugin/src/org/gephi/filters/plugin/graph/MutualDegreeRangeBuilder.java
index 4737e2f9b..4cd161ea7 100644
--- a/FiltersPlugin/src/org/gephi/filters/plugin/graph/MutualDegreeRangeBuilder.java
+++ b/FiltersPlugin/src/org/gephi/filters/plugin/graph/MutualDegreeRangeBuilder.java
@@ -105,7 +105,7 @@ public static class MutualDegreeRangeFilter implements RangeFilter, NodeFilter {
 
         private Range range;
         //States
-        private List<Integer> values;
+        private List<Integer> values = new ArrayList<Integer>();
 
         public String getName() {
             return NbBundle.getMessage(MutualDegreeRangeFilter.class, "MutualDegreeRangeBuilder.name");
@@ -171,7 +171,7 @@ public Range getRange() {
         }
 
         public void setRange(Range range) {
-            if (range.getMinimum() == null && range.getMaximum() == null) {
+            if (range.getMinimum() == null && range.getMaximum() == null && this.range != null) {
                 //Opening project
                 this.range = new Range(range.getLowerBound(), range.getUpperBound(), this.range.getMinimum(), this.range.getMaximum());
             } else {
diff --git a/FiltersPlugin/src/org/gephi/filters/plugin/graph/OutDegreeRangeBuilder.java b/FiltersPlugin/src/org/gephi/filters/plugin/graph/OutDegreeRangeBuilder.java
index 4edc7d063..067a77cc8 100644
--- a/FiltersPlugin/src/org/gephi/filters/plugin/graph/OutDegreeRangeBuilder.java
+++ b/FiltersPlugin/src/org/gephi/filters/plugin/graph/OutDegreeRangeBuilder.java
@@ -107,7 +107,7 @@ public static class OutDegreeRangeFilter implements RangeFilter, NodeFilter {
 
         private Range range;
         //States
-        private List<Integer> values;
+        private List<Integer> values = new ArrayList<Integer>();
 
         public String getName() {
             return NbBundle.getMessage(OutDegreeRangeBuilder.class, "OutDegreeRangeBuilder.name");
@@ -173,7 +173,7 @@ public Range getRange() {
         }
 
         public void setRange(Range range) {
-            if (range.getMinimum() == null && range.getMaximum() == null) {
+            if (range.getMinimum() == null && range.getMaximum() == null && this.range != null) {
                 //Opening project
                 this.range = new Range(range.getLowerBound(), range.getUpperBound(), this.range.getMinimum(), this.range.getMaximum());
             } else {