diff --git a/main.c b/main.c
index cdfce09..d93c4c4 100644
--- a/main.c
+++ b/main.c
@@ -690,6 +690,8 @@ HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnk
             "vhack=false\n"
             "; switch between OpenGL (opengl) and software (gdi) renderers, latter supports less features but might be faster depending on the GPU\n"
             "renderer=gdi\n"
+            "; force CPU0 affinity, avoids crashes with RA, *might* have a performance impact\n"
+            "singlecpu=true\n"
         , fh);
         fclose(fh);
     }
@@ -819,6 +821,13 @@ HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnk
         This->renderer = render_main;
     }
 
+    GetPrivateProfileStringA("ddraw", "singlecpu", "true", tmp, sizeof(tmp), ini_path);
+    if (tolower(tmp[0]) == 'y' || tolower(tmp[0]) == 't' || tolower(tmp[0]) == 'e' || tmp[0] == '1')
+    {
+        printf("DirectDrawCreate: Setting CPU0 affinity\n");
+        SetProcessAffinityMask(GetCurrentProcess(), 1);
+    }
+
     /* last minute check for cnc-plugin */
     if (GetEnvironmentVariable("DDRAW_WINDOW", tmp, sizeof(tmp)) > 0)
     {