diff --git a/cache.h b/cache.h
index 99af83a0479..7027c896bf3 100644
--- a/cache.h
+++ b/cache.h
@@ -749,7 +749,6 @@ typedef int (*config_fn_t)(const char *, const char *, void *);
 extern int git_default_config(const char *, const char *, void *);
 extern int git_config_from_file(config_fn_t fn, const char *, void *);
 extern int git_config(config_fn_t fn, void *);
-extern int git_parse_long(const char *, long *);
 extern int git_parse_ulong(const char *, unsigned long *);
 extern int git_config_int(const char *, const char *);
 extern unsigned long git_config_ulong(const char *, const char *);
diff --git a/config.c b/config.c
index 1d3012047d7..18d305c890d 100644
--- a/config.c
+++ b/config.c
@@ -274,7 +274,7 @@ static int parse_unit_factor(const char *end, unsigned long *val)
 	return 0;
 }
 
-int git_parse_long(const char *value, long *ret)
+static int git_parse_long(const char *value, long *ret)
 {
 	if (value && *value) {
 		char *end;
@@ -310,7 +310,7 @@ static void die_bad_config(const char *name)
 
 int git_config_int(const char *name, const char *value)
 {
-	long ret;
+	long ret = 0;
 	if (!git_parse_long(value, &ret))
 		die_bad_config(name);
 	return ret;