diff --git a/libs/openal-soft-1.15.1/CMakeLists.txt b/libs/openal-soft-1.15.1/CMakeLists.txt
index 5389f116..fe1953cc 100644
--- a/libs/openal-soft-1.15.1/CMakeLists.txt
+++ b/libs/openal-soft-1.15.1/CMakeLists.txt
@@ -6,7 +6,7 @@ IF(COMMAND CMAKE_POLICY)
   CMAKE_POLICY(SET CMP0003 NEW)
 ENDIF(COMMAND CMAKE_POLICY)
 
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 INCLUDE(CheckFunctionExists)
 INCLUDE(CheckLibraryExists)