diff --git a/packages/xdl/src/detach/IosPodsTools.js b/packages/xdl/src/detach/IosPodsTools.js
index f08c081099..f9735d34c4 100644
--- a/packages/xdl/src/detach/IosPodsTools.js
+++ b/packages/xdl/src/detach/IosPodsTools.js
@@ -258,6 +258,7 @@ function _renderDetachedPostinstall(sdkVersion, isServiceContext) {
         config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'EX_DETACHED=1'
         ${maybeDetachedServiceDef}
         # needed for GoogleMaps 2.x
+        config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'HAVE_GOOGLE_MAPS=1'
         config.build_settings['FRAMEWORK_SEARCH_PATHS'] ||= []
         config.build_settings['FRAMEWORK_SEARCH_PATHS'] << '${podsRootSub}/GoogleMaps/Base/Frameworks'
         config.build_settings['FRAMEWORK_SEARCH_PATHS'] << '${podsRootSub}/GoogleMaps/Maps/Frameworks'