diff --git a/Makefile b/Makefile
index 1f347f7..f7e1633 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 all:
-	gcc -O3 -Wall -o gddr6 gddr6.c -lpci
+	gcc -std=c99 -O3 -Wall -Wextra -o gddr6 gddr6.c -lpci 
 clean:
 	rm -f gddr6
 
diff --git a/gddr6.c b/gddr6.c
index fb43092..17c0099 100644
--- a/gddr6.c
+++ b/gddr6.c
@@ -69,6 +69,9 @@ struct device * pci_detect_dev()
 
 int main(int argc, char **argv)
 {
+    (void) argc;
+    (void) argv;
+
     int fd;
     void *map_base;
     void *virt_addr;