diff --git a/src/Backends/Rendering/Window/Software/X11.cpp b/src/Backends/Rendering/Window/Software/X11.cpp
index e5f8f0dc..3b2d3bc3 100644
--- a/src/Backends/Rendering/Window/Software/X11.cpp
+++ b/src/Backends/Rendering/Window/Software/X11.cpp
@@ -53,7 +53,7 @@ void createFramebuffer() {
                                            &seginfo, screenWidth, screenHeight);
         seginfo.shmid = shmget(IPC_PRIVATE,
                                framebufferImage->bytes_per_line * framebufferImage->height,
-                               IPC_CREAT | 0777);
+                               IPC_CREAT);
         seginfo.shmaddr = xfriendlyFB = framebufferImage->data = (char*)shmat(seginfo.shmid, NULL, 0);
         XShmAttach(xDisplay, &seginfo);
     } else {