diff --git a/src/Makefile b/src/Makefile
index 1450adc0..8ecd6183 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -56,7 +56,7 @@ CCOPT_mips=
 #
 CCDEBUG=
 # Uncomment the next line to generate debug information:
-#CCDEBUG= -g
+CCDEBUG= -g -O0
 #
 CCWARN= -Wall
 # Uncomment the next line to enable more warnings: