diff --git a/e4rat/src/logging.hh b/e4rat/src/logging.hh

index 421c612..0a92755 100644

--- a/e4rat/src/logging.hh

+++ b/e4rat/src/logging.hh

@@ -93,7 +93,7 @@ extern Logging logger;

 #define dump_log(...) logger.write(__VA_ARGS__)

 #ifdef DEBUG_ENABLED

-    #define debug(format,args...) dump_log(Debug, "%s:%d in %s(): "format, __FILE__, __LINE__, __FUNCTION__, ## args)

+    #define debug(format,args...) dump_log(Debug, "%s:%d in %s(): " format, __FILE__, __LINE__, __FUNCTION__, ## args)

 #else

     #define debug(format,args...)

 #endif