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-rw-r--r--src/debug.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/debug.h b/src/debug.h
index 0355bf592..b17597d80 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -29,7 +29,7 @@
#ifdef NO_DEBUG_MESSAGES
#define DEBUG(name, level, ...) { }
#else /* NO_DEBUG_MESSAGES */
- #define DEBUG(name, level, ...) if (level == 0 || _debug_ ## name ## _level >= level) debug(#name, __VA_ARGS__)
+ #define DEBUG(name, level, ...) if ((level) == 0 || _debug_ ## name ## _level >= (level)) debug(#name, __VA_ARGS__)
extern int _debug_ai_level;
extern int _debug_driver_level;