diff --git a/src/core/utils/RbFileManager.cpp b/src/core/utils/RbFileManager.cpp
index 60738683d..432a0d4b5 100644
--- a/src/core/utils/RbFileManager.cpp
+++ b/src/core/utils/RbFileManager.cpp
@@ -626,7 +626,7 @@ bool RbFileManager::openFile(std::ifstream& strm)
     
     // concatenate path and file name
     std::string file_pathName = file_path + path_separator + file_name;
-    
+        
     // here we assume that the presence of the path/file has
     // been checked elsewhere
     strm.open( file_pathName.c_str(), std::ios::in );
diff --git a/src/revlanguage/functions/io/Func_source.cpp b/src/revlanguage/functions/io/Func_source.cpp
index a859ba7f2..5cd2f0f7e 100644
--- a/src/revlanguage/functions/io/Func_source.cpp
+++ b/src/revlanguage/functions/io/Func_source.cpp
@@ -41,8 +41,12 @@ RevPtr<RevVariable> Func_source::execute( void )
     
     /* Open file */
     std::string fname = static_cast<const RlString &>( args[0].getVariable()->getRevObject() ).getValue();
-    std::ifstream inFile( fname.c_str() );
-    
+
+    RevBayesCore::RbFileManager reader = RevBayesCore::RbFileManager(fname);
+    std::ifstream inFile;
+
+    // now open the stream
+    reader.openFile(inFile);
     
     bool echo_on = static_cast<const RlBoolean &>( args[1].getVariable()->getRevObject() ).getValue();
     
@@ -63,7 +67,6 @@ RevPtr<RevVariable> Func_source::execute( void )
         
         // Read a line
         std::string line;
-        RevBayesCore::RbFileManager reader = RevBayesCore::RbFileManager();
         reader.safeGetline(inFile, line);
         lineNumber++;