diff --git a/build/shared/lib/languages/PDE.properties b/build/shared/lib/languages/PDE.properties
index d28d017f3..269079e10 100644
--- a/build/shared/lib/languages/PDE.properties
+++ b/build/shared/lib/languages/PDE.properties
@@ -343,7 +343,7 @@ editor.status.missing.closing_curly_bracket = Missing closing curly bracket "}"
 editor.status.missing.add = Consider adding "%s"
 editor.status.reserved_words = "color" and "int" are reserved words & cannot be used as variable names
 # methoddef, varname, classname, namefield, typeA, typeB will be replaced with the correct value during runtime (don't translate)
-editor.status.undefined_method = The function %s does not exist
+editor.status.undefined_method = The function "%s(%s)" does not exist
 editor.status.empty_param = The function "%s()" does not expect any parameters
 editor.status.wrong_param = The function "%s()" expects parameters like: "%s(%s)"
 editor.status.undef_global_var = The global variable "%s" does not exist
diff --git a/java/src/processing/mode/java/pdex/ErrorMessageSimplifier.java b/java/src/processing/mode/java/pdex/ErrorMessageSimplifier.java
index a7b06bbef..79ce70cdf 100644
--- a/java/src/processing/mode/java/pdex/ErrorMessageSimplifier.java
+++ b/java/src/processing/mode/java/pdex/ErrorMessageSimplifier.java
@@ -166,10 +166,9 @@ public class ErrorMessageSimplifier {
 
     case IProblem.UndefinedMethod:
       if (args.length > 2) {
-        result = Language.text("editor.status.undefined_method");
-        String methodDef = "\"" + args[args.length - 2] + "("
-          + removePackagePrefixes (args[args.length - 1]) + ")\"";
-        result = result.replace("methoddef", methodDef);
+        String methodName = args[args.length - 2];
+        String methodArgs = removePackagePrefixes(args[args.length - 1]);
+        result = Language.interpolate("editor.status.undefined_method", methodName, methodArgs);
       }
       break;
 
diff --git a/todo.txt b/todo.txt
index 2af0072ba..9114f5993 100644
--- a/todo.txt
+++ b/todo.txt
@@ -10,8 +10,10 @@ X Change "method" to "function" in a few error messages
 X   https://github.com/processing/processing/issues/3225
 X ErrorMessageSimplifier should use the language subst stuff
 o   also, shouldn't that be one text() method with different args?
+X Debugger "String is null" error when hitting breakpoint
+_   https://github.com/processing/processing/issues/3265
 X Error message for incorrect function arguments is wonky
-X   https://github.com/processing/processing/issues/3268
+_   https://github.com/processing/processing/issues/3268
 
 contribs
 X Window size not passing into Tweak Mode