diff --git a/hs20/client/Android.mk b/hs20/client/Android.mk
index 36feb5d..63cbc6f 100644
--- a/hs20/client/Android.mk
+++ b/hs20/client/Android.mk
@@ -4,6 +4,7 @@
 INCLUDES += $(LOCAL_PATH)/../../src/utils
 INCLUDES += $(LOCAL_PATH)/../../src/common
 INCLUDES += $(LOCAL_PATH)/../../src
+INCLUDES += external/openssl/include
 INCLUDES += external/libxml2/include
 INCLUDES += external/curl/include
 INCLUDES += external/webkit/Source/WebKit/gtk