diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58936d0..9606ed7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ set(CMAKE_INSTALL_MESSAGE LAZY)
 if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
   git_version_number(SHORT_HASH "GINT_GIT_HASH" TAG_RELATIVE "GINT_GIT_VERSION")
 else()
-  set(GINT_GIT_HASH "")
+  set(GINT_GIT_HASH "0000000")
   set(GINT_GIT_VERSION "${PROJECT_VERSION}")
 endif()
 configure_file(include/gint/config.h.in include/gint/config.h)