diff --git a/generators/php/procedures.js b/generators/php/procedures.js
index d2aafc3d8..879719810 100644
--- a/generators/php/procedures.js
+++ b/generators/php/procedures.js
@@ -43,6 +43,12 @@ Blockly.PHP['procedures_defreturn'] = function(block) {
           Blockly.Variables.NAME_TYPE));
     }
   }
+  // Add developer variables.
+  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
+  for (var i = 0; i < devVarList.length; i++) {
+    globals.push(Blockly.PHP.variableDB_.getName(devVarList[i],
+        Blockly.Names.DEVELOPER_VARIABLE_TYPE));
+  }
   globals = globals.length ? Blockly.PHP.INDENT + 'global ' + globals.join(', ') + ';\n' : '';
 
   var funcName = Blockly.PHP.variableDB_.getName(
diff --git a/generators/python/procedures.js b/generators/python/procedures.js
index 0670f9d64..7f4524ec5 100644
--- a/generators/python/procedures.js
+++ b/generators/python/procedures.js
@@ -44,6 +44,13 @@ Blockly.Python['procedures_defreturn'] = function(block) {
           Blockly.Variables.NAME_TYPE));
     }
   }
+  // Add developer variables.
+  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
+  for (var i = 0; i < devVarList.length; i++) {
+    globals.push(Blockly.Python.variableDB_.getName(devVarList[i],
+        Blockly.Names.DEVELOPER_VARIABLE_TYPE));
+  }
+
   globals = globals.length ? Blockly.Python.INDENT + 'global ' + globals.join(', ') + '\n' : '';
   var funcName = Blockly.Python.variableDB_.getName(block.getFieldValue('NAME'),
       Blockly.Procedures.NAME_TYPE);