diff --git a/CMakeInstallation.cmake b/CMakeInstallation.cmake
index a702fc35ca..c83d6bb82e 100644
--- a/CMakeInstallation.cmake
+++ b/CMakeInstallation.cmake
@@ -1,4 +1,4 @@
-include (CMakePackageConfigHelpers.cmake)
+include (CMakePackageConfigHelpers)
 
 #-----------------------------------------------------------------------------
 # Check for Installation Utilities