diff --git a/selfdrive/common/util.cc b/selfdrive/common/util.cc
index 7934a4a1f6..9c9997b72e 100644
--- a/selfdrive/common/util.cc
+++ b/selfdrive/common/util.cc
@@ -85,7 +85,7 @@ std::map<std::string, std::string> read_files_in_dir(const std::string &path) {
 
   struct dirent *de = NULL;
   while ((de = readdir(d))) {
-    if (de->d_type != DT_DIR) {
+    if (de->d_type == DT_REG) {
       ret[de->d_name] = util::read_file(path + "/" + de->d_name);
     }
   }