diff --git a/src/audio/sound_manager.cpp b/src/audio/sound_manager.cpp
index e061eeadf..39612b146 100644
--- a/src/audio/sound_manager.cpp
+++ b/src/audio/sound_manager.cpp
@@ -47,7 +47,7 @@ SoundManager* sound_manager= NULL;
 SoundManager::SoundManager()
 {
     m_current_music= NULL;
-    setMasterMusicVolume(0.7);
+    setMasterMusicVolume(0.7f);
 
     ALCdevice* device = alcOpenDevice ( NULL ); //The default sound device
     if( device == NULL )
diff --git a/src/karts/kart.cpp b/src/karts/kart.cpp
index 653cee74a..d46a5fed0 100644
--- a/src/karts/kart.cpp
+++ b/src/karts/kart.cpp
@@ -741,8 +741,8 @@ void Kart::updatePhysics (float dt)
                     {
                         // the backwards acceleration is artificially increased to allow
                         // players to get "unstuck" quicker if they hit e.g. a wall
-                        m_vehicle->applyEngineForce(-engine_power*2.5, 2);
-                        m_vehicle->applyEngineForce(-engine_power*2.5, 3);
+                        m_vehicle->applyEngineForce(-engine_power*2.5f, 2);
+                        m_vehicle->applyEngineForce(-engine_power*2.5f, 3);
                     }
                 }
                 else