1 files changed, 1 insertions, 1 deletions
diff --git a/compat/setenv.c b/compat/setenv.c
index 89947b7134..fc1439a643 100644
--- a/compat/setenv.c
+++ b/compat/setenv.c
@@ -6,7 +6,7 @@ int gitsetenv(const char *name, const char *value, int replace)
 	size_t namelen, valuelen;
 	char *envstr;
 
-	if (!name || !value) {
+	if (!name || strchr(name, '=') || !value) {
 		errno = EINVAL;
 		return -1;
 	}