diff --git a/indra/cmake/OPENAL.cmake b/indra/cmake/OPENAL.cmake
index 49dab5c2e7dde6ecf283de93b53c9c54890e7643..df321cb9183f8be913831f664226f4e60944c858 100755
--- a/indra/cmake/OPENAL.cmake
+++ b/indra/cmake/OPENAL.cmake
@@ -2,11 +2,11 @@
 include(Linking)
 include(Prebuilt)
 
-if (NOT FMODEX OR NOT FMODSTUDIO OR LINUX)
+if (LINUX)
   set(OPENAL ON CACHE BOOL "Enable OpenAL")
-else (NOT FMODEX OR NOT FMODSTUDIO OR LINUX)
+else (LINUX)
   set(OPENAL OFF CACHE BOOL "Enable OpenAL")
-endif (NOT FMODEX OR NOT FMODSTUDIO OR LINUX)
+endif (LINUX)
 
 if (OPENAL)
   set(OPENAL_LIB_INCLUDE_DIRS "${LIBS_PREBUILT_DIR}/include/AL")