diff --git a/utils/mixin/_respond-to.scss b/utils/mixin/_respond-to.scss
index fc0b288..48c7add 100644
--- a/utils/mixin/_respond-to.scss
+++ b/utils/mixin/_respond-to.scss
@@ -8,5 +8,8 @@
 		@media #{map-get($mediaQueries, $name)} {
 			@content;
 		}
+	} @else {
+    	@error "MediaQuery #{$name} does not exist";
 	}
+  }
 }