diff --git a/packages/core/src/policy/toml-loader.test.ts b/packages/core/src/policy/toml-loader.test.ts
index 6835e200b4..b9fb4baac6 100644
--- a/packages/core/src/policy/toml-loader.test.ts
+++ b/packages/core/src/policy/toml-loader.test.ts
@@ -490,6 +490,7 @@ name = "allowed-path"
       expect(error.errorType).toBe('schema_validation');
       expect(error.details).toContain('toolName');
       expect(error.details).toContain('Invalid input');
+      expect(error.suggestion).toContain('toolName');
     });
 
     it('should return a schema_validation error if priority is missing', async () => {
@@ -502,6 +503,7 @@ decision = "allow"
       const error = result.errors[0];
       expect(error.errorType).toBe('schema_validation');
       expect(error.details).toContain('priority');
+      expect(error.suggestion).toContain('toolName');
     });
 
     it('should return a schema_validation error if priority is a float', async () => {
@@ -598,6 +600,7 @@ priority = 100
       expect(error.errorType).toBe('schema_validation');
       expect(error.details).toContain('toolName');
       expect(error.details).toContain('Invalid input');
+      expect(error.suggestion).toContain('toolName');
     });
 
     it('should return a schema_validation error if toolName is not a string or array', async () => {
diff --git a/packages/core/src/policy/toml-loader.ts b/packages/core/src/policy/toml-loader.ts
index 977e8a399a..3cf9dc2a99 100644
--- a/packages/core/src/policy/toml-loader.ts
+++ b/packages/core/src/policy/toml-loader.ts
@@ -383,7 +383,7 @@ export async function loadPoliciesFromToml(
             message: 'Schema validation failed',
             details: formatSchemaError(validationResult.error, 0),
             suggestion:
-              'Ensure all required fields (decision, priority) are present with correct types',
+              'Ensure all required fields (decision, priority, toolName) are present with correct types',
           });
           continue;
         }