1 files changed, 2 insertions, 2 deletions

diff --git a/config.c b/config.c
index 4401d31..6e4061e 100644
--- a/config.c
+++ b/config.c
@@ -37,10 +37,10 @@ extern char **environ;
 char   *
 config_data_dir()
 {
-	char   *key;
+	char   *key, **var;
 
 	key = "VAULT_DATA_DIR";
-	for (char **var = environ; *var; var++) {
+	for (var = environ; *var; var++) {
 		if (strncmp(key, *var, strlen(key)) == 0) {
 			if (strlen(*var) <= strlen(key))
 				return NULL;