diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59e4b798a6b..82c57c014fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -228,6 +228,10 @@ IF(UNIX AND NOT APPLE)
 			/opt/include/OpenEXR
 		)
 		SET(OPENEXR_LIB Half IlmImf Iex Imath)
+		
+		IF(NOT OPENEXR_INC)
+			SET(WITH_OPENEXR OFF)
+		ENDIF(NOT OPENEXR_INC)
 	ENDIF(WITH_OPENEXR)
 
 	IF(WITH_TIFF)