--- sdl_v.cpp
+++ sdl_v.cpp
@@ -9,6 +9,7 @@
 #include "../gfx_func.h"
 #include "../sdl.h"
 #include "../variables.h"
+#include "../settings_type.h"
 #include "../rev.h"
 #include "../blitter/factory.hpp"
 #include "../network/network.h"
@@ -345,6 +346,8 @@
 				_cursor.pos.y = ev.motion.y;
 				_cursor.dirty = true;
 			}
+			_cursor.v_wheel = 0;
+			_cursor.h_wheel = 0;
 			HandleMouseEvents();
 			break;
 
@@ -362,9 +365,15 @@
 					_right_button_down = true;
 					_right_button_clicked = true;
 					break;
-
-				case SDL_BUTTON_WHEELUP:   _cursor.wheel--; break;
-				case SDL_BUTTON_WHEELDOWN: _cursor.wheel++; break;
+ 
+				case SDL_BUTTON_WHEELUP:   _cursor.wheel--;
+					_cursor.v_wheel -= _settings_client.gui.scrollwheel_multiplier; break;
+				case SDL_BUTTON_WHEELDOWN: _cursor.wheel++;
+					_cursor.v_wheel += _settings_client.gui.scrollwheel_multiplier; break;
+				case SDL_BUTTON_X1:
+					_cursor.h_wheel -= _settings_client.gui.scrollwheel_multiplier; break;
+				case SDL_BUTTON_X2:
+					_cursor.h_wheel += _settings_client.gui.scrollwheel_multiplier; break;
 
 				default: break;
 			}