diff --git a/invokeai/frontend/web/src/common/hooks/useIsReadyToInvoke.ts b/invokeai/frontend/web/src/common/hooks/useIsReadyToInvoke.ts
index e06a1106c1..3820b07daf 100644
--- a/invokeai/frontend/web/src/common/hooks/useIsReadyToInvoke.ts
+++ b/invokeai/frontend/web/src/common/hooks/useIsReadyToInvoke.ts
@@ -63,7 +63,11 @@ const selector = createSelector(
             return;
           }
 
-          if (fieldTemplate.required && !field.value && !hasConnection) {
+          if (
+            fieldTemplate.required &&
+            field.value === undefined &&
+            !hasConnection
+          ) {
             reasons.push(
               `${node.data.label || nodeTemplate.title} -> ${
                 field.label || fieldTemplate.title
diff --git a/invokeai/frontend/web/src/features/nodes/hooks/useDoesInputHaveValue.ts b/invokeai/frontend/web/src/features/nodes/hooks/useDoesInputHaveValue.ts
index f56099ed2b..83bf6b8af0 100644
--- a/invokeai/frontend/web/src/features/nodes/hooks/useDoesInputHaveValue.ts
+++ b/invokeai/frontend/web/src/features/nodes/hooks/useDoesInputHaveValue.ts
@@ -15,7 +15,7 @@ export const useDoesInputHaveValue = (nodeId: string, fieldName: string) => {
           if (!isInvocationNode(node)) {
             return;
           }
-          return Boolean(node?.data.inputs[fieldName]?.value);
+          return node?.data.inputs[fieldName]?.value !== undefined;
         },
         defaultSelectorOptions
       ),