diff --git a/common/cmd_version.c b/common/cmd_version.c
index e4b2ac1..ab4c560 100644
--- a/common/cmd_version.c
+++ b/common/cmd_version.c
@@ -28,7 +28,7 @@
 
 const char __weak version_string[] = U_BOOT_VERSION_STRING;
 
-int do_version(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_version(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	printf("\n%s\n", version_string);
 #ifdef CC_VERSION_STRING