diff --git a/CMakeLists.txt b/CMakeLists.txt
index 952f2264934e1a1d386877ea3e171755b02c2471..16133df8f210d8e872ad3a6c1fb7189227c75fc1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,8 +48,8 @@ else()
   set( SUPERELASTIX_BUILD_TESTING_DEFAULT ON )
 endif()
 
-option( SUPERELASTIX_BUILD_TESTING "Enable building tests." ${ELASTIX_BUILD_TESTING_DEFAULT} )
-if( ${ELASTIX_BUILD_TESTING} )
+option( SUPERELASTIX_BUILD_TESTING "Enable building tests." ${SUPERELASTIX_BUILD_TESTING_DEFAULT} )
+if( ${SUPERELASTIX_BUILD_TESTING} )
   enable_testing()
   add_subdirectory( Testing )
 endif()
diff --git a/SuperBuild/CMakeLists.txt b/SuperBuild/CMakeLists.txt
index a7f864fe4db147bc65799dc2777c978aa0631b7e..42f3f9f5df469a6cd04b17183168b264ac363433 100644
--- a/SuperBuild/CMakeLists.txt
+++ b/SuperBuild/CMakeLists.txt
@@ -72,11 +72,11 @@ endif()
 
 option( USE_SYSTEM_GOOGLETEST "Use a pre-compiled version of GoogleTest. " OFF ) 
 mark_as_advanced(USE_SYSTEM_GOOGLETEST) 
-if ( ELASTIX_BUILD_TESTING ) 
+if ( SUPERELASTIX_BUILD_TESTING ) 
   if ( USE_SYSTEM_GOOGLETEST ) 
     find_package( GTest REQUIRED ) 
   else() 
-    include(ExternalGoogleTest) 
+    include( ExternalGoogleTest ) 
   endif() 
 endif()