diff --git a/CMakeModules/FindCoin3D.cmake b/CMakeModules/FindCoin3D.cmake
index 6cd0f255cc7bc545a0979af9511b4c15d43a9179..ad226bb3a3b588c7cfc2907308612cbdddd75859 100644
--- a/CMakeModules/FindCoin3D.cmake
+++ b/CMakeModules/FindCoin3D.cmake
@@ -74,7 +74,7 @@ ELSE (WIN32)
     SET(COIN3D_LIBRARIES "-framework Coin3d" CACHE STRING "Coin3D library for OSX")
   ELSE(APPLE)
 
-    find_path( COIN3D_INCLUDE_DIRS NAMES Inventor/So.h PATHS $ENV{Coin3D_DIR}/include /usr/include /usr/local/include NO_DEFAULT_PATH )
+    find_path( COIN3D_INCLUDE_DIRS NAMES Inventor/So.h PATHS $ENV{Coin3D_DIR}/include /usr/include /usr/include/Coin4 /usr/local/include NO_DEFAULT_PATH )
     find_library( COIN3D_LIBRARIES  NAMES Coin PATHS $ENV{Coin3D_DIR}/lib ${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES} /usr/local/lib NO_DEFAULT_PATH )
 #FIND_PATH(COIN3D_INCLUDE_DIRS Inventor/So.h $ENV{COIN3D_DIR}/include)
 #FIND_LIBRARY(COIN3D_LIBRARIES Coin $ENV{COIN3D_DIR}/lib)