diff --git a/filecomplete.cpp b/filecomplete.cpp
index 83cbecc..0f33694 100644
--- a/filecomplete.cpp
+++ b/filecomplete.cpp
@@ -136,7 +136,7 @@ std::string file_predict(const char* data)
     } else {
         search_key = cur;
     }
-    if (cur.find("/") == std::string::npos && cur.find("\\") == std::string::npos) {
+    if (search_key.find("/") == std::string::npos && search_key.find("\\") == std::string::npos) {
         for (const auto& item : cur_work_content) {
             if (item != search_key && item.find(search_key) == 0) {
                 return item.substr(search_key.size(), item.size() - search_key.size());