diff --git a/packages/editor-ui/src/components/ParameterInput.vue b/packages/editor-ui/src/components/ParameterInput.vue
index ba04cbfc2f..359a0a6549 100644
--- a/packages/editor-ui/src/components/ParameterInput.vue
+++ b/packages/editor-ui/src/components/ParameterInput.vue
@@ -365,7 +365,7 @@ const getIssues = computed<string[]>(() => {
 			if (Array.isArray(displayValue.value)) {
 				checkValues = checkValues.concat(displayValue.value);
 			} else {
-				checkValues = checkValues.concat(displayValue.value?.toString().split(','));
+				checkValues.push(displayValue.value);
 			}
 		}
 
diff --git a/packages/editor-ui/src/components/ParameterInputWrapper.vue b/packages/editor-ui/src/components/ParameterInputWrapper.vue
index 2027294400..f0db8cc457 100644
--- a/packages/editor-ui/src/components/ParameterInputWrapper.vue
+++ b/packages/editor-ui/src/components/ParameterInputWrapper.vue
@@ -132,10 +132,10 @@ const evaluatedExpression = computed<Result<unknown, Error>>(() => {
 		}
 
 		if (props.isForCredential) opts.additionalKeys = resolvedAdditionalExpressionData.value;
-		const stringifyExpressionResult = props.parameter.type !== 'multiOptions';
+		const stringifyObject = props.parameter.type !== 'multiOptions';
 		return {
 			ok: true,
-			result: workflowHelpers.resolveExpression(value, undefined, opts, stringifyExpressionResult),
+			result: workflowHelpers.resolveExpression(value, undefined, opts, stringifyObject),
 		};
 	} catch (error) {
 		return { ok: false, error };