diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b261c8..7a23c62 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ add_library(library ${SOURCES} ${HEADERS} src/FontType.cpp)
 file(COPY "${CMAKE_SOURCE_DIR}/src/"
         DESTINATION "${CMAKE_SOURCE_DIR}/include"
         FILES_MATCHING
-        PATTERN *.h
+        PATTERN *.hpp
         )
 
 set(LIBRARY_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/lib)