diff --git a/find_duplicate_files/find_duplicate_files.py b/find_duplicate_files/find_duplicate_files.py
index 661c30b..6d647b6 100644
--- a/find_duplicate_files/find_duplicate_files.py
+++ b/find_duplicate_files/find_duplicate_files.py
@@ -64,7 +64,8 @@ class find_duplicate_files:
             return False
 
     def _cache_file(self, file, hash):
-        result = self.cur.execute(f"INSERT INTO files (hash, file) VALUES ('{file}', '{hash}')")
+        file_sql = file.replace("'", "\'")
+        result = self.cur.execute(f"INSERT INTO files (hash, file) VALUES ('{file_sql}', '{hash}')")
         self.cache_db.commit()
         return result