diff --git a/CMakeLists.txt b/CMakeLists.txt
index 324aadbc7206cf3a3f1ce0cae0b8715703f76109..03b0a70483ff70509ce62e7aff77c46577d48ed1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ include (CheckIncludeFile)
 include (CheckIncludeFileCXX)
 include (CheckFunctionExists)
 
-if (NOT FTL_VERSION OR FTL_VERSION STREQUAL "%CI_COMMIT_TAG%")
+if (NOT FTL_VERSION OR FTL_VERSION STREQUAL "$Env:CI_COMMIT_TAG")
 	set(FTL_VERSION 0.0.1)
 endif()