diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a54531..ca92619 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,9 +23,7 @@ if(PYTHONINTERP_FOUND)
 	add_custom_command(
 		OUTPUT ${GIT_VERSION_TMP_FILE}
 		COMMAND ${CMAKE_COMMAND} -E echo "//File generated by CMake. Do not edit!" > ${GIT_VERSION_TMP_FILE}
-		COMMAND ${PYTHON_EXECUTABLE} ${SCRIPT_DIR}/git_branch_name.py >> ${GIT_VERSION_TMP_FILE}
-		COMMAND ${PYTHON_EXECUTABLE} ${SCRIPT_DIR}/git_commit_hash.py >> ${GIT_VERSION_TMP_FILE}
-		COMMAND ${PYTHON_EXECUTABLE} ${SCRIPT_DIR}/git_tag_name.py >> ${GIT_VERSION_TMP_FILE}
+		COMMAND ${CMAKE_COMMAND} -E echo "#define GIT_TAG_NAME v0.5"
 		COMMAND ${CMAKE_COMMAND} -E copy_if_different ${GIT_VERSION_TMP_FILE} ${GIT_VERSION_FILE}
 		COMMAND ${CMAKE_COMMAND} -E remove ${GIT_VERSION_TMP_FILE}
 		WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
@@ -36,9 +34,7 @@ elseif(UNIX)
 	add_custom_command(
 		OUTPUT ${GIT_VERSION_TMP_FILE}
 		COMMAND ${CMAKE_COMMAND} -E echo "//File generated by CMake. Do not edit!" > ${GIT_VERSION_TMP_FILE}
-		COMMAND ${SCRIPT_DIR}/git_branch_name.sh >> ${GIT_VERSION_TMP_FILE}
-		COMMAND ${SCRIPT_DIR}/git_commit_hash.sh >> ${GIT_VERSION_TMP_FILE}
-		COMMAND ${SCRIPT_DIR}/git_tag_name.sh >> ${GIT_VERSION_TMP_FILE}
+		COMMAND ${CMAKE_COMMAND} -E echo "#define GIT_TAG_NAME v0.5"
 		COMMAND ${CMAKE_COMMAND} -E copy_if_different ${GIT_VERSION_TMP_FILE} ${GIT_VERSION_FILE}
 		COMMAND ${CMAKE_COMMAND} -E remove ${GIT_VERSION_TMP_FILE}
 		WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}