diff --git a/packages/core/src/render3/instructions/styling.ts b/packages/core/src/render3/instructions/styling.ts
index 2d473468d24..45b9697d167 100644
--- a/packages/core/src/render3/instructions/styling.ts
+++ b/packages/core/src/render3/instructions/styling.ts
@@ -692,7 +692,9 @@ export function toStylingKeyValueArray(
     stringParser(styleKeyValueArray, unwrappedValue);
   } else {
     ngDevMode &&
-      throwError('Unsupported styling type ' + typeof unwrappedValue + ': ' + unwrappedValue);
+      throwError(
+        'Unsupported styling type: ' + typeof unwrappedValue + ' (' + unwrappedValue + ')',
+      );
   }
   return styleKeyValueArray;
 }