diff --git a/compiler/forget/packages/babel-plugin-react-forget/src/HIR/HIR.ts b/compiler/forget/packages/babel-plugin-react-forget/src/HIR/HIR.ts
index b02016ebd6..05b80f1bd8 100644
--- a/compiler/forget/packages/babel-plugin-react-forget/src/HIR/HIR.ts
+++ b/compiler/forget/packages/babel-plugin-react-forget/src/HIR/HIR.ts
@@ -878,16 +878,11 @@ export function isMutableEffect(
   switch (effect) {
     case Effect.Capture:
     case Effect.Store:
+    case Effect.ConditionallyMutate:
     case Effect.Mutate: {
       return true;
     }
-    case Effect.ConditionallyMutate: {
-      // All conditional mutations should be resolved into some other effect after InferReferenceEffects
-      CompilerError.invariant(
-        "Unexpected conditional mutation effect",
-        location
-      );
-    }
+
     case Effect.Unknown: {
       CompilerError.invariant("Unexpected unknown effect", location);
     }
diff --git a/compiler/forget/packages/babel-plugin-react-forget/src/Inference/InferReferenceEffects.ts b/compiler/forget/packages/babel-plugin-react-forget/src/Inference/InferReferenceEffects.ts
index 91b4fcd879..4aab1f122b 100644
--- a/compiler/forget/packages/babel-plugin-react-forget/src/Inference/InferReferenceEffects.ts
+++ b/compiler/forget/packages/babel-plugin-react-forget/src/Inference/InferReferenceEffects.ts
@@ -311,7 +311,7 @@ class InferenceState {
           valueKind === ValueKind.Mutable ||
           valueKind === ValueKind.Context
         ) {
-          effect = Effect.Mutate;
+          effect = Effect.ConditionallyMutate;
         } else {
           effect = Effect.Read;
         }
diff --git a/compiler/forget/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.invalid-pass-ref-to-function.expect.md b/compiler/forget/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.invalid-pass-ref-to-function.expect.md
index 54cb17b425..f9cab45985 100644
--- a/compiler/forget/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.invalid-pass-ref-to-function.expect.md
+++ b/compiler/forget/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.invalid-pass-ref-to-function.expect.md
@@ -14,7 +14,7 @@ function Component(props) {
 ## Error
 
 ```
-[ReactForget] InvalidInput: Ref values may not be passed to functions because they could read the ref value (`current` property) during render. Cannot access ref object at mutate $22[6:8]:TObject<BuiltInUseRefId> (3:3)
+[ReactForget] InvalidInput: Ref values may not be passed to functions because they could read the ref value (`current` property) during render. Cannot access ref object at mutate? $22[6:8]:TObject<BuiltInUseRefId> (3:3)
 ```
           
       
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