diff --git a/CMakeLists.txt b/CMakeLists.txt
index e0c5665..4987a67 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -89,7 +89,7 @@ ENDIF()
 
 # include directories
 INCLUDE_DIRECTORIES( BEFORE ./source/include )
-INSTALL_DIRECTORY( ./source/include/ DESTINATION ./include/marlinutil FILES_MATCHING PATTERN "*.h" )
+INSTALL_DIRECTORY( ./source/include/ DESTINATION ./include/marlinutil FILES_MATCHING PATTERN "*.h" PATTERN "*.ipp")
 
 # get list of all source files
 AUX_SOURCE_DIRECTORY( ./source/src library_sources )