diff --git a/webrtc/webrtc_examples.gyp b/webrtc/webrtc_examples.gyp
index fff40da945..e880c11d39 100644
--- a/webrtc/webrtc_examples.gyp
+++ b/webrtc/webrtc_examples.gyp
@@ -74,7 +74,8 @@
                 'cp <(PRODUCT_DIR)/lib.java/video_render_module_java.jar <(android_webrtc_demo_root)/libs/ &&'
                 '<(android_strip) -o <(android_webrtc_demo_root)/libs/<(android_app_abi)/libwebrtcdemo-jni.so <(PRODUCT_DIR)/libwebrtcdemo-jni.so && '
                 'cd <(android_webrtc_demo_root) && '
-                '{ ant debug > <(ant_log) 2>&1 || '
+                '{ ANDROID_SDK_ROOT=<(android_sdk_root) '
+                'ant debug > <(ant_log) 2>&1 || '
                 '  { cat <(ant_log) ; exit 1; } } && '
                 'cd - > /dev/null && '
                 'cp <(android_webrtc_demo_root)/bin/WebRTCDemo-debug.apk <(_outputs)'
@@ -135,7 +136,8 @@
                 '<(android_strip) -o <(android_opensl_demo_root)/libs/<(android_app_abi)/libopensl-demo-jni.so <(PRODUCT_DIR)/libopensl-demo-jni.so && '
                 'cp <(PRODUCT_DIR)/lib.java/audio_device_module_java.jar <(android_opensl_demo_root)/libs/ &&'
                 'cd <(android_opensl_demo_root) && '
-                '{ ant debug > <(ant_log) 2>&1 || '
+                '{ ANDROID_SDK_ROOT=<(android_sdk_root) '
+                'ant debug > <(ant_log) 2>&1 || '
                 '  { cat <(ant_log) ; exit 1; } } && '
                 'cd - > /dev/null && '
                 'cp <(android_opensl_demo_root)/bin/OpenSlDemo-debug.apk <(_outputs)'