diff --git a/i3-config-wizard/main.c b/i3-config-wizard/main.c
index 1a66b9f0..9c2bbe55 100644
--- a/i3-config-wizard/main.c
+++ b/i3-config-wizard/main.c
@@ -293,6 +293,7 @@ static void finish() {
     FILE *ks_config = fopen(config_path, "w");
     if (ks_config == NULL)
         err(1, "Could not open output config file \"%s\"", config_path);
+    free(config_path);
 
     char *line = NULL;
     size_t len = 0;