1 files changed, 1 insertions, 1 deletions
diff --git a/src/tee.c b/src/tee.c
index 5a5ea08e0..2f1c7bb55 100644
--- a/src/tee.c
+++ b/src/tee.c
@@ -42,7 +42,7 @@ static bool append;
 static bool ignore_interrupts;
 
 /* The name that this program was run with. */
-char *program_name;
+char const *program_name;
 
 static struct option const long_options[] =
 {