diff --git a/commands/drvinfo.c b/commands/drvinfo.c
index 161118a..4a4b957 100644
--- a/commands/drvinfo.c
+++ b/commands/drvinfo.c
@@ -18,7 +18,7 @@
 #include <command.h>
 #include <driver.h>
 
-int do_drvinfo(int argc, char *argv[])
+static int do_drvinfo(int argc, char *argv[])
 {
 	struct driver_d *drv;
 	struct device_d *dev;