@@ -26,11 +26,11 @@
 			[self outputSuccess: test	\
 				   inModule: module];	\
 		else {					\
 			[self outputFailure: test	\
 				   inModule: module];	\
-			fails++;			\
+			_fails++;			\
 		}					\
 	}
 #define EXPECT_EXCEPTION(test, exception, code)		\
 	{						\
 		BOOL caught = NO;			\
@@ -48,20 +48,20 @@
 			[self outputSuccess: test	\
 				   inModule: module];	\
 		else {					\
 			[self outputFailure: test	\
 				   inModule: module];	\
-			fails++;			\
+			_fails++;			\
 		}					\
 	}
 #define R(x) (x, 1)
 
 @class OFString;
 
 @interface TestsAppDelegate: OFObject
 {
-	int fails;
+	int _fails;
 }
 
 - (void)outputString: (OFString*)str
 	   withColor: (int)color;
 - (void)outputTesting: (OFString*)test