diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index e5eb7ec7db0e5..b29d88e60f575 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -218,7 +218,7 @@ foreach(SDK ${SWIFT_SDKS})
     set(validation_test_bin_dir
         "${CMAKE_CURRENT_BINARY_DIR}/../validation-test${VARIANT_SUFFIX}")
 
-    if(LibXml2_FOUND)
+    if(LLVM_ENABLE_LIBXML2)
       set(SWIFT_HAVE_LIBXML2 TRUE)
     else()
       set(SWIFT_HAVE_LIBXML2 FALSE)
diff --git a/tools/swift-ide-test/CMakeLists.txt b/tools/swift-ide-test/CMakeLists.txt
index 095e97d5f155e..8f9614e8ad144 100644
--- a/tools/swift-ide-test/CMakeLists.txt
+++ b/tools/swift-ide-test/CMakeLists.txt
@@ -12,7 +12,7 @@ target_link_libraries(swift-ide-test
                         swiftIDE)
 
 # If libxml2 is available, make it available for swift-ide-test.
-if(LibXml2_FOUND)
+if(LLVM_ENABLE_LIBXML2)
   include_directories(SYSTEM ${LIBXML2_INCLUDE_DIR})
   target_link_libraries(swift-ide-test PRIVATE ${LIBXML2_LIBRARIES})
   target_compile_definitions(swift-ide-test PRIVATE SWIFT_HAVE_LIBXML=1)