diff --git a/dwscr.cc b/dwscr.cc
index f8ca313..3f0f2e0 100644
--- a/dwscr.cc
+++ b/dwscr.cc
@@ -37,13 +37,6 @@ int main(int argc, char * argv[])
     start = true;
 #endif
 
-    /* make the SDL window appear in the top-left corner of the screen */
-    putenv("SDL_VIDEO_WINDOW_POS=0,0");
-
-    /* do not disable power management (this will allow monitors
-     * to power off at the normally configured timeout) */
-    putenv("SDL_VIDEO_ALLOW_SCREENSAVER=1");
-
     getDisplaySize(&width, &height);
 
     /* extremely simple command-line argument handling */
@@ -67,6 +60,14 @@ int main(int argc, char * argv[])
         }
     }
 
+    /* make the SDL window appear in the top-left corner of the screen */
+    if (!windowed)
+        putenv("SDL_VIDEO_WINDOW_POS=0,0");
+
+    /* do not disable power management (this will allow monitors
+     * to power off at the normally configured timeout) */
+    putenv("SDL_VIDEO_ALLOW_SCREENSAVER=1");
+
     if (!start)
         return 0;
 
@@ -102,7 +103,8 @@ int main(int argc, char * argv[])
 
     /* after our window is created and SDL and OpenGL are initialized,
      * start the main screensaver functionality */
-    SSMain ss(width, height, getNumMonitors(), sdlSurface);
+    int num_monitors = windowed ? 1 : getNumMonitors();
+    SSMain ss(width, height, num_monitors, sdlSurface);
     ss.run();
 
     SDL_Quit();