diff --git a/.gitignore b/.gitignore
index dd7a50b..4f301d0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 /build*/
 /test/**/*.diff.*
 /test/**/*.curr.*
-*.trace # OpenGL apitrace files
+*.trace
 /debian/tmp/
 /debian/*.log
 /debian/*.substvars
diff --git a/src/platform/gtkmain.cpp b/src/platform/gtkmain.cpp
index 1560e28..7cada7e 100644
--- a/src/platform/gtkmain.cpp
+++ b/src/platform/gtkmain.cpp
@@ -324,6 +324,8 @@ protected:
         cr->paint();
         surface->finish();
 
+        glXSwapBuffers(_xdisplay, _xwindow);
+
         return true;
     }