1 files changed, 1 insertions, 1 deletions

diff --git a/test/minigzip.c b/test/minigzip.c
index b3025a4..f4ffbe2 100644
--- a/test/minigzip.c
+++ b/test/minigzip.c
@@ -333,7 +333,7 @@ const char *gzerror(gz, err)
 
 #endif
 
-char *prog;
+static char *prog;
 
 void error            OF((const char *msg));
 void gz_compress      OF((FILE   *in, gzFile out));