diff --git a/retroshare-gui/src/RetroShare.pro b/retroshare-gui/src/RetroShare.pro
index 6fd601aae..ae428ce1d 100644
--- a/retroshare-gui/src/RetroShare.pro
+++ b/retroshare-gui/src/RetroShare.pro
@@ -4,6 +4,7 @@ TEMPLATE = app
 TARGET = RetroShare
 
 DEFINES *= RS_RELEASE_VERSION
+DEFINES += RS_USE_PGPSSL
 RCC_DIR = temp/qrc
 UI_DIR  = temp/ui
 MOC_DIR = temp/moc