diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index d273f26fe..ae6c6a23f 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -281,6 +281,8 @@ int check_dir(const char * dir, bool allow_tmp)
 			default:
 				ret = 0;	// ok
 		}
+		if(ret == -1)
+			printf("Wrong Filessystem Type: 0x%lx\n",s.f_type);
 	}
 	return ret;
 }