diff --git a/engine/common/sys_con.c b/engine/common/sys_con.c
index 2f121df5..ffb6d3a8 100644
--- a/engine/common/sys_con.c
+++ b/engine/common/sys_con.c
@@ -338,7 +338,7 @@ static void Con_Printfv( qboolean debug, const char *szFmt, va_list args )
 
 	add_newline = Q_vsnprintf( buffer, sizeof( buffer ), szFmt, args ) < 0;
 
-	if( debug && Q_strcmp( buffer, "0\n" ))
+	if( debug && !Q_strcmp( buffer, "0\n" ))
 		return; // hlrally spam
 
 	Sys_Print( buffer );