diff --git a/src/driver/framebuffer.cpp b/src/driver/framebuffer.cpp
index ca6649176..31f008a17 100644
--- a/src/driver/framebuffer.cpp
+++ b/src/driver/framebuffer.cpp
@@ -459,14 +459,14 @@ unsigned int CFrameBuffer::getScreenHeight(bool real)
 
 unsigned int CFrameBuffer::getScreenWidthRel(bool force_small)
 {
-	int percent = force_small ? WINDOW_SIZE_MIN : g_settings.window_size;
+	int percent = force_small ? WINDOW_SIZE_MIN_FORCED : g_settings.window_width;
 	// always reduce a possible detailline
 	return (g_settings.screen_EndX - g_settings.screen_StartX - 2*ConnectLineBox_Width) * percent / 100;
 }
 
 unsigned int CFrameBuffer::getScreenHeightRel(bool force_small)
 {
-	int percent = force_small ? WINDOW_SIZE_MIN : g_settings.window_size;
+	int percent = force_small ? WINDOW_SIZE_MIN_FORCED : g_settings.window_height;
 	return (g_settings.screen_EndY - g_settings.screen_StartY) * percent / 100;
 }
 
diff --git a/src/driver/framebuffer.h b/src/driver/framebuffer.h
index 527157b9b..575c2510a 100644
--- a/src/driver/framebuffer.h
+++ b/src/driver/framebuffer.h
@@ -55,7 +55,8 @@ typedef struct fb_var_screeninfo t_fb_var_screeninfo;
 #define FADE_RESET 0xFFFF
 
 #define WINDOW_SIZE_MAX		100 // %
-#define WINDOW_SIZE_MIN		80 // %
+#define WINDOW_SIZE_MIN		50 // %
+#define WINDOW_SIZE_MIN_FORCED	80 // %
 #define ConnectLineBox_Width	16 // px
 
 /** Ausfuehrung als Singleton */