diff --git a/dlls/sane.ds/sane_main.c b/dlls/sane.ds/sane_main.c
index 1c73252ab6..c01baeb10d 100644
--- a/dlls/sane.ds/sane_main.c
+++ b/dlls/sane.ds/sane_main.c
@@ -102,14 +102,12 @@ BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
             break;
 	}
         case DLL_PROCESS_DETACH:
+            if (lpvReserved) break;
 #ifdef SONAME_LIBSANE
             TRACE("calling sane_exit()\n");
 	    psane_exit ();
-
             close_libsane(libsane_handle);
-            libsane_handle = NULL;
-#endif 
-	    SANE_instance = NULL;
+#endif
             break;
     }