1 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 37d7840..4551457 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@ CC      = gcc
 IN      = nm.c
 OUT     = nshm
 LIBS    = -lreadline
-OPTS    = -O2 -Wall -Wextra -pedantic
-OPTSDBG = -O0 -g -Wall -Wextra -pedantic
+OPTS    = -O2 -Wall -Wextra -pedantic -std=c99
+OPTSDBG = -O0 -g -Wall -Wextra -pedantic -std=c99
 
 debug:
 	$(CC) -o$(OUT) $(LIBS) $(OPTSDBG) $(IN)