diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77157c6..0c8f451 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -173,6 +173,7 @@ if( ${CMAKE_PROJECT_NAME} STREQUAL "TrinityCore" )
 
 elseif( ${CMAKE_PROJECT_NAME} STREQUAL "MaNGOS" )
   include_directories(
+    ${CMAKE_SOURCE_DIR}/dep/g3dlite
     ${CMAKE_SOURCE_DIR}/src/shared
     ${CMAKE_SOURCE_DIR}/src/shared/Common
     ${CMAKE_SOURCE_DIR}/src/shared/Utilities