diff --git a/config.c b/config.c
index 532732fc33..42940154d0 100644
--- a/config.c
+++ b/config.c
@@ -1556,7 +1556,7 @@ static int git_default_i18n_config(const char *var, const char *value)
 static int git_default_branch_config(const char *var, const char *value)
 {
 	if (!strcmp(var, "branch.autosetupmerge")) {
-		if (value && !strcasecmp(value, "always")) {
+		if (value && !strcmp(value, "always")) {
 			git_branch_track = BRANCH_TRACK_ALWAYS;
 			return 0;
 		} else if (value && !strcmp(value, "inherit")) {