diff --git a/stepmania/src/Model.cpp b/stepmania/src/Model.cpp
index 9fa1c4cdb6..22a610c5bb 100644
--- a/stepmania/src/Model.cpp
+++ b/stepmania/src/Model.cpp
@@ -352,14 +352,14 @@ void Model::DrawPrimitives()
 				{
 					// render the diffuse texture
 					DISPLAY->SetTexture( 0, mat.diffuse.GetCurrentTexture() );
-					DISPLAY->SetSphereEnivronmentMapping( mat.diffuse.m_bSphereMapped );
+					DISPLAY->SetSphereEnvironmentMapping( mat.diffuse.m_bSphereMapped );
 					DrawMesh( i );
 				
 					// render the additive texture
 					if( mat.alpha.GetCurrentTexture() )
 					{
 						DISPLAY->SetTexture( 0, mat.alpha.GetCurrentTexture() );
-						DISPLAY->SetSphereEnivronmentMapping( mat.alpha.m_bSphereMapped );
+						DISPLAY->SetSphereEnvironmentMapping( mat.alpha.m_bSphereMapped );
 						// UGLY:  This overrides the Actor's BlendMode
 						DISPLAY->SetBlendMode( BLEND_ADD );
 						DISPLAY->SetTextureFiltering( true );
@@ -370,13 +370,13 @@ void Model::DrawPrimitives()
 				{
 					// render the diffuse texture with texture unit 1
 					DISPLAY->SetTexture( 0, mat.diffuse.GetCurrentTexture() );
-					DISPLAY->SetSphereEnivronmentMapping( mat.diffuse.m_bSphereMapped );
+					DISPLAY->SetSphereEnvironmentMapping( mat.diffuse.m_bSphereMapped );
 					
 					// render the additive texture with texture unit 2
 					if( mat.alpha.GetCurrentTexture() )
 					{
 						DISPLAY->SetTexture( 1, mat.alpha.GetCurrentTexture() );
-						DISPLAY->SetSphereEnivronmentMapping( mat.alpha.m_bSphereMapped );
+						DISPLAY->SetSphereEnvironmentMapping( mat.alpha.m_bSphereMapped );
 						DISPLAY->SetTextureModeAdd();
 						DISPLAY->SetTextureFiltering( true );
 					}
@@ -386,7 +386,7 @@ void Model::DrawPrimitives()
 
 					// Turn off Environment mapping on tex unit 0.  Is there a better way to reset?
 					DISPLAY->SetTexture( 0, NULL );
-					DISPLAY->SetSphereEnivronmentMapping( 0 );
+					DISPLAY->SetSphereEnvironmentMapping( 0 );
 				}
 			}
 			else
@@ -398,11 +398,11 @@ void Model::DrawPrimitives()
 				static const float shininess = 1;
 				DISPLAY->SetMaterial( emissive, ambient, diffuse, specular, shininess );
 				DISPLAY->ClearAllTextures();
-				DISPLAY->SetSphereEnivronmentMapping( false );
+				DISPLAY->SetSphereEnvironmentMapping( false );
 				DrawMesh( i );
 			}
 
-			DISPLAY->SetSphereEnivronmentMapping( false );
+			DISPLAY->SetSphereEnvironmentMapping( false );
 			DISPLAY->SetBlendMode( BLEND_NORMAL );
 			DISPLAY->TexturePopMatrix();
 		}
diff --git a/stepmania/src/RageDisplay.h b/stepmania/src/RageDisplay.h
index de98156abc..f963a008c0 100644
--- a/stepmania/src/RageDisplay.h
+++ b/stepmania/src/RageDisplay.h
@@ -226,7 +226,7 @@ public:
 		const RageColor &specular, 
 		const RageVector3 &dir ) = 0;
 
-	virtual void SetSphereEnivronmentMapping( bool b ) = 0;
+	virtual void SetSphereEnvironmentMapping( bool b ) = 0;
 
 	virtual RageCompiledGeometry* CreateCompiledGeometry() = 0;
 	virtual void DeleteCompiledGeometry( RageCompiledGeometry* p ) = 0;
diff --git a/stepmania/src/RageDisplay_D3D.cpp b/stepmania/src/RageDisplay_D3D.cpp
index 3b23b9ef5d..418b6a69db 100644
--- a/stepmania/src/RageDisplay_D3D.cpp
+++ b/stepmania/src/RageDisplay_D3D.cpp
@@ -1329,7 +1329,7 @@ RageMatrix RageDisplay_D3D::GetOrthoMatrix( float l, float r, float b, float t,
 	return m;
 }
 
-void RageDisplay_D3D::SetSphereEnivronmentMapping( bool b )
+void RageDisplay_D3D::SetSphereEnvironmentMapping( bool b )
 {
 	if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures )	// not supported
 		return;
diff --git a/stepmania/src/RageDisplay_D3D.h b/stepmania/src/RageDisplay_D3D.h
index 87b910016b..5ec776b42d 100644
--- a/stepmania/src/RageDisplay_D3D.h
+++ b/stepmania/src/RageDisplay_D3D.h
@@ -61,7 +61,7 @@ public:
 		const RageColor &specular, 
 		const RageVector3 &dir );
 
-	void SetSphereEnivronmentMapping( bool b );
+	void SetSphereEnvironmentMapping( bool b );
 
 	RageCompiledGeometry* CreateCompiledGeometry();
 	void DeleteCompiledGeometry( RageCompiledGeometry* p );
diff --git a/stepmania/src/RageDisplay_Null.h b/stepmania/src/RageDisplay_Null.h
index 4d8ce356a6..0fd867d2c4 100644
--- a/stepmania/src/RageDisplay_Null.h
+++ b/stepmania/src/RageDisplay_Null.h
@@ -59,7 +59,7 @@ public:
 		const RageColor &specular, 
 		const RageVector3 &dir ) { }
 
-	void SetSphereEnivronmentMapping( bool b ) { }
+	void SetSphereEnvironmentMapping( bool b ) { }
 	
 	RageCompiledGeometry* CreateCompiledGeometry();
 	void DeleteCompiledGeometry( RageCompiledGeometry* p );
diff --git a/stepmania/src/RageDisplay_OGL.cpp b/stepmania/src/RageDisplay_OGL.cpp
index a851717649..9719539c17 100644
--- a/stepmania/src/RageDisplay_OGL.cpp
+++ b/stepmania/src/RageDisplay_OGL.cpp
@@ -1877,7 +1877,7 @@ bool RageDisplay_OGL::SupportsTextureFormat( PixelFormat pixfmt, bool realtime )
 	}
 }
 
-void RageDisplay_OGL::SetSphereEnivronmentMapping( bool b )
+void RageDisplay_OGL::SetSphereEnvironmentMapping( bool b )
 {
 	if( b )
 	{
diff --git a/stepmania/src/RageDisplay_OGL.h b/stepmania/src/RageDisplay_OGL.h
index c5e9c8ed86..9b8df3fef1 100644
--- a/stepmania/src/RageDisplay_OGL.h
+++ b/stepmania/src/RageDisplay_OGL.h
@@ -62,7 +62,7 @@ public:
 		const RageColor &specular, 
 		const RageVector3 &dir );
 
-	void SetSphereEnivronmentMapping( bool b );
+	void SetSphereEnvironmentMapping( bool b );
 
 	RageCompiledGeometry* CreateCompiledGeometry();
 	void DeleteCompiledGeometry( RageCompiledGeometry* p );