diff --git a/source/dub/platform.d b/source/dub/platform.d
index 8350a21..e1df8d6 100644
--- a/source/dub/platform.d
+++ b/source/dub/platform.d
@@ -181,7 +181,7 @@
 	}
 	if (platform.compiler == splitted.front) {
 		splitted.popFront();
-		enforce(splitted.empty, "No valid specification! The compiler has to be the last element!");
+		enforce(splitted.empty, "No valid specification! The compiler has to be the last element: " ~ specification);
 		return true;
 	}
 	return false;