1 files changed, 1 insertions, 1 deletions
diff --git a/environment.c b/environment.c
index 18a1c4eec4..b8869e972e 100644
--- a/environment.c
+++ b/environment.c
@@ -30,7 +30,7 @@ int core_compression_seen;
 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
 size_t delta_base_cache_limit = 16 * 1024 * 1024;
-char *pager_program;
+const char *pager_program;
 int pager_use_color = 1;
 char *editor_program;
 char *excludes_file;