diff --git a/src/btop_shared.hpp b/src/btop_shared.hpp
index 832208c..5833d49 100644
--- a/src/btop_shared.hpp
+++ b/src/btop_shared.hpp
@@ -69,7 +69,7 @@ namespace Shared {
 	//* Initialize platform specific needed variables and check for errors
 	void init();
 
-	extern long coreCount, page_size, clk_tck;
+	extern long coreCount, page_size, clkTck;
 }