diff --git a/src/libkwineffects/kwinglutils.cpp b/src/libkwineffects/kwinglutils.cpp
index 601b4d6abf..5fa38bd28c 100644
--- a/src/libkwineffects/kwinglutils.cpp
+++ b/src/libkwineffects/kwinglutils.cpp
@@ -983,6 +983,8 @@ GLFramebuffer *GLFramebuffer::popFramebuffer()
     GLFramebuffer *ret = s_fbos.pop();
     if (!s_fbos.isEmpty()) {
         s_fbos.top()->bind();
+    } else {
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
     }
 
     return ret;