diff --git a/CMakeLists.txt b/CMakeLists.txt
index cfd2ada..82ada75 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,4 +63,4 @@ install(TARGETS json-c
     LIBRARY DESTINATION lib
     ARCHIVE DESTINATION lib)
 
-install(DIRECTORY . DESTINATION ${CMAKE_INSTALL_PREFIX}/include FILES_MATCHING_PATTERN "*.h")
+install(DIRECTORY . DESTINATION ${CMAKE_INSTALL_PREFIX}/include FILES_MATCHING PATTERN "*.h")