diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 841e1ea01..d01c74eaa 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -282,9 +282,9 @@ if(1 EQUAL 1)
 	add_definitions(-DOPENSIM_RULES=1)
 	add_definitions(-DMESH_ENABLED=1)
 	add_definitions(-DENABLE_CLASSIC_CLOUDS=1)
-	if (NOT "$ENV{SHY_MOD}" STREQUAL "1")
+	if (NOT "$ENV{SHY_MOD}" STREQUAL "")
 		add_definitions(-DSHY_MOD=1)
-	endif (NOT "$ENV{SHY_MOD}" STREQUAL "1")
+	endif (NOT "$ENV{SHY_MOD}" STREQUAL "")
 endif(1 EQUAL 1)
 
 SET( CMAKE_EXE_LINKER_FLAGS_RELEASESSE2