diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42bb6738..5727323c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - Fix wrong input order on nested resolvers (issue #205)
 - Fix `pf.eql/map-select` case on map container at query
 - Fix spec for `pco/?`
+- Merge params when merging nodes on planner (issue #216)
 
 ## [2023.08.22-alpha]
 - BREAKING: `::p.error/missing-output` is now converged to `::p.error/attribute-missing` (issue #149)
diff --git a/src/main/com/wsscode/pathom3/connect/planner.cljc b/src/main/com/wsscode/pathom3/connect/planner.cljc
index fddfc4fd..cc8942fb 100644
--- a/src/main/com/wsscode/pathom3/connect/planner.cljc
+++ b/src/main/com/wsscode/pathom3/connect/planner.cljc
@@ -702,6 +702,11 @@
 (defn combine-expects [na nb]
   (update na ::expects pfsd/merge-shapes (::expects nb)))
 
+(defn combine-params [na nb]
+  (cond-> na
+    (or (::params na) (::params nb))
+    (update ::params merge (::params nb))))
+
 (defn combine-inputs [na nb]
   (if (::input nb)
     (update na ::input pfsd/merge-shapes (::input nb))
@@ -809,6 +814,7 @@
     (-> graph
         ; merge any extra keys from source node, but without overriding anything
         (update-node target-node-id nil coll/merge-defaults source-node)
+        (update-node target-node-id nil combine-params source-node)
         (update-node target-node-id nil combine-expects source-node)
         (update-node target-node-id nil combine-inputs source-node)
         (update-node target-node-id nil combine-foreign-ast source-node)
diff --git a/test/com/wsscode/pathom3/connect/planner_test.cljc b/test/com/wsscode/pathom3/connect/planner_test.cljc
index 59bd8abe..337e4fda 100644
--- a/test/com/wsscode/pathom3/connect/planner_test.cljc
+++ b/test/com/wsscode/pathom3/connect/planner_test.cljc
@@ -1593,7 +1593,24 @@
                                                ::pcp/input   {}
                                                ::pcp/node-id 1
                                                ::pcp/params  {:x 1}}}
-               ::pcp/root                  1})))))
+               ::pcp/root                  1}))))
+
+  (testing "params should merge when different attributes are related to same node call"
+    (is (= (compute-run-graph
+             {::resolvers [{::pco/op-name 'a
+                            ::pco/output  [:a :b]}]
+              ::eql/query [(list :a {:x "y"}) (list :b {:z "foo"})]})
+           '{:com.wsscode.pathom3.connect.planner/nodes {1 {:com.wsscode.pathom3.connect.operation/op-name a,
+                                                            :com.wsscode.pathom3.connect.planner/expects {:a {}, :b {}},
+                                                            :com.wsscode.pathom3.connect.planner/input {},
+                                                            :com.wsscode.pathom3.connect.planner/node-id 1,
+                                                            :com.wsscode.pathom3.connect.planner/params {:x "y", :z "foo"}}},
+             :com.wsscode.pathom3.connect.planner/index-ast {:a {:type :prop, :dispatch-key :a, :key :a, :params {:x "y"}},
+                                                             :b {:type :prop, :dispatch-key :b, :key :b, :params {:z "foo"}}},
+             :com.wsscode.pathom3.connect.planner/user-request-shape {:a {}, :b {}},
+             :com.wsscode.pathom3.connect.planner/index-resolver->nodes {a #{1}},
+             :com.wsscode.pathom3.connect.planner/index-attrs {:a #{1}, :b #{1}},
+             :com.wsscode.pathom3.connect.planner/root 1}))))
 
 (deftest compute-run-graph-optimize-test
   (testing "optimize AND nodes"