diff --git a/Source/CMakeVersion.bash b/Source/CMakeVersion.bash
index 126adba8e..4794e608d 100755
--- a/Source/CMakeVersion.bash
+++ b/Source/CMakeVersion.bash
@@ -3,5 +3,5 @@
 if test "x$1" = "x-f"; then shift ; n='*' ; else n='\{8\}' ; fi
 if test "$#" -gt 0; then echo 1>&2 "usage: CMakeVersion.bash [-f]"; exit 1; fi
 sed -i -e '
-s/\(^SET(CMake_VERSION_TWEAK\) [0-9]'"$n"'\(.*\)/\1 '"$(date +%Y%m%d)"'\2/
+s/\(^set(CMake_VERSION_TWEAK\) [0-9]'"$n"'\(.*\)/\1 '"$(date +%Y%m%d)"'\2/
 ' "${BASH_SOURCE%/*}/CMakeVersion.cmake"