1 files changed, 1 insertions, 1 deletions

diff --git a/mkdir.c b/mkdir.c
index b42899a4a..cf65f272f 100644
--- a/mkdir.c
+++ b/mkdir.c
@@ -24,7 +24,7 @@
 #include <errno.h>
 #include <sys/param.h>
 
-const char mkdir_usage[] = "Usage: mkdir [OPTION] DIRECTORY...\n"
+static const char mkdir_usage[] = "Usage: mkdir [OPTION] DIRECTORY...\n"
 "Create the DIRECTORY(ies), if they do not already exist\n\n"
 "-m\tset permission mode (as in chmod), not rwxrwxrwx - umask\n"
 "-p\tno error if existing, make parent directories as needed\n";