diff -up chromium-bsu-0.9.15.1/src/MainSDL_Event.cpp~ chromium-bsu-0.9.15.1/src/MainSDL_Event.cpp
--- chromium-bsu-0.9.15.1/src/MainSDL_Event.cpp~	2013-05-25 07:35:51.000000000 +0200
+++ chromium-bsu-0.9.15.1/src/MainSDL_Event.cpp	2016-02-20 12:34:47.882913042 +0100
@@ -19,6 +19,7 @@
 #include <cstdlib>
 #include <cstdio>
 #include <cstring>
+#include <cmath>
 
 #include "Config.h"
 
@@ -417,14 +418,14 @@ void MainSDL::keyMove()
 #else
 		Uint8 *keystate = SDL_GetKeyState(NULL);
 #endif
-		if( keystate[SDLK_LEFT]  || keystate[SDLK_KP4] ) key_speed_x -= 2.0 + abs(key_speed_x)*0.4;
-		if( keystate[SDLK_RIGHT] || keystate[SDLK_KP6] ) key_speed_x += 2.0 + abs(key_speed_x)*0.4;
-		if( keystate[SDLK_UP]    || keystate[SDLK_KP8] ) key_speed_y -= 2.0 + abs(key_speed_y)*0.4;
-		if( keystate[SDLK_DOWN]  || keystate[SDLK_KP2] ) key_speed_y += 2.0 + abs(key_speed_y)*0.4;
-		if( keystate[SDLK_KP7] ){ key_speed_x -= 2.0 + abs(key_speed_x)*0.4; key_speed_y -= 2.0 + abs(key_speed_y)*0.4; }
-		if( keystate[SDLK_KP9] ){ key_speed_x += 2.0 + abs(key_speed_x)*0.4; key_speed_y -= 2.0 + abs(key_speed_y)*0.4; }
-		if( keystate[SDLK_KP3] ){ key_speed_x += 2.0 + abs(key_speed_x)*0.4; key_speed_y += 2.0 + abs(key_speed_y)*0.4; }
-		if( keystate[SDLK_KP1] ){ key_speed_x -= 2.0 + abs(key_speed_x)*0.4; key_speed_y += 2.0 + abs(key_speed_y)*0.4; }
+		if( keystate[SDLK_LEFT]  || keystate[SDLK_KP4] ) key_speed_x -= 2.0 + fabsf(key_speed_x)*0.4;
+		if( keystate[SDLK_RIGHT] || keystate[SDLK_KP6] ) key_speed_x += 2.0 + fabsf(key_speed_x)*0.4;
+		if( keystate[SDLK_UP]    || keystate[SDLK_KP8] ) key_speed_y -= 2.0 + fabsf(key_speed_y)*0.4;
+		if( keystate[SDLK_DOWN]  || keystate[SDLK_KP2] ) key_speed_y += 2.0 + fabsf(key_speed_y)*0.4;
+		if( keystate[SDLK_KP7] ){ key_speed_x -= 2.0 + fabsf(key_speed_x)*0.4; key_speed_y -= 2.0 + fabsf(key_speed_y)*0.4; }
+		if( keystate[SDLK_KP9] ){ key_speed_x += 2.0 + fabsf(key_speed_x)*0.4; key_speed_y -= 2.0 + fabsf(key_speed_y)*0.4; }
+		if( keystate[SDLK_KP3] ){ key_speed_x += 2.0 + fabsf(key_speed_x)*0.4; key_speed_y += 2.0 + fabsf(key_speed_y)*0.4; }
+		if( keystate[SDLK_KP1] ){ key_speed_x -= 2.0 + fabsf(key_speed_x)*0.4; key_speed_y += 2.0 + fabsf(key_speed_y)*0.4; }
 		//float s = (1.0-game->speedAdj)+(game->speedAdj*0.7);
 		float s = 0.7;
 		key_speed_x *= s;