diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae55942..a49d808 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,7 @@
 
 cmake_minimum_required(VERSION 2.8.11)
 
-set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
 project(libssh2 C)
 set(PROJECT_URL "https://www.libssh2.org/")