diff --git a/src/dcfg.c b/src/dcfg.c
index 9b4dec1..a5518b3 100644
--- a/src/dcfg.c
+++ b/src/dcfg.c
@@ -1105,11 +1105,12 @@ Value *ast_to_value(dcfg_Instance *instance, AST *root)
 
 dcfg_Value *dcfg_parse(dcfg_Instance *instance, dcfg_StringView const file_path)
 {
-	char path_buf[file_path.size + 1];
-	memset(path_buf, 0, sizeof(path_buf));
+	char *path_buf = malloc(file_path.size + 1);
+	memset(path_buf, 0, file_path.size + 1);
 	memcpy(path_buf, file_path.data, file_path.size);
 
 	char *abs = instance->realpath(path_buf);
+	free(path_buf);
 	if (!abs) {
 		snprintf(instance->last_error, sizeof(instance->last_error) - 1,
 		    "realpath: %s", strerror(errno));