diff --git a/powercap.hpp b/powercap.hpp
index c46b6b9..fab3918 100644
--- a/powercap.hpp
+++ b/powercap.hpp
@@ -103,7 +103,7 @@
 
   private:
     /** @brief Power Mode data filename to store persistent data */
-    static constexpr auto powerCapFilename = "powerCapData";
+    static constexpr auto powerCapFilename = "powerCapLimitData";
 
     /** @brief Power Mode data object to be persisted */
     PowerCapData capData;