1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 45b8f60..0610eea 100644
--- a/Makefile
+++ b/Makefile
@@ -61,7 +61,7 @@ all: $(PROGRAM) $(LIB) $(HTML)
 
 .PHONY: debug
 debug: CPPFLAGS += -DDEBUG
-debug: CFLAGS   += -g
+debug: CFLAGS   += -O0 -g
 debug: LDFLAGS  += -g
 debug: $(PROGRAM)