diff --git a/neo/renderer/Image.h b/neo/renderer/Image.h
index 7b1b95f5..e58b2264 100644
--- a/neo/renderer/Image.h
+++ b/neo/renderer/Image.h
@@ -642,6 +642,7 @@ byte* R_MipMap( const byte* in, int width, int height );
 void R_BlendOverTexture( byte* data, int pixelCount, const byte blend[4] );
 void R_HorizontalFlip( byte* data, int width, int height );
 void R_VerticalFlip( byte* data, int width, int height );
+void R_VerticalFlipRGB16F( byte* data, int width, int height );
 void R_RotatePic( byte* data, int width );
 void R_ApplyCubeMapTransforms( int i, byte* data, int size );
 
diff --git a/neo/renderer/Image_process.cpp b/neo/renderer/Image_process.cpp
index c83a871e..b719d747 100644
--- a/neo/renderer/Image_process.cpp
+++ b/neo/renderer/Image_process.cpp
@@ -528,6 +528,31 @@ void R_VerticalFlip( byte* data, int width, int height )
 	}
 }
 
+// RB: halfFloat_t helper
+struct ColorRGB16F
+{
+	uint16	red;
+	uint16	green;
+	uint16	blue;
+};
+
+void R_VerticalFlipRGB16F( byte* data, int width, int height )
+{
+	int			i, j;
+	ColorRGB16F	temp;
+
+	for( i = 0; i < width; i++ )
+	{
+		for( j = 0; j < height / 2; j++ )
+		{
+			temp = *( ( ColorRGB16F* )data + j * width + i );
+
+			*( ( ColorRGB16F* )data + j * width + i ) = *( ( ColorRGB16F* )data + ( height - 1 - j ) * width + i );
+			*( ( ColorRGB16F* )data + ( height - 1 - j ) * width + i ) = temp;
+		}
+	}
+}
+
 void R_RotatePic( byte* data, int width )
 {
 	int		i, j;
diff --git a/neo/renderer/RenderSystem_init.cpp b/neo/renderer/RenderSystem_init.cpp
index 69f80522..071c9207 100644
--- a/neo/renderer/RenderSystem_init.cpp
+++ b/neo/renderer/RenderSystem_init.cpp
@@ -838,23 +838,7 @@ void R_ReadTiledPixels( int width, int height, byte* buffer, renderView_t* ref =
 				glPixelStorei( GL_PACK_ROW_LENGTH, RADIANCE_CUBEMAP_SIZE );
 				glReadPixels( 0, 0, w, h, GL_RGB, GL_HALF_FLOAT, buffer );
 
-#if 0
-				// TODO vertical flip with half floats
-				{
-					int		i, j;
-					uint64	temp;
-
-					for( i = 0 ; i < width ; i++ )
-					{
-						for( j = 0 ; j < height / 2 ; j++ )
-						{
-							temp = *( ( uint64* )buffer + j * width + i );
-							*( ( uint64* )buffer + j * width + i ) = *( ( uint64* )buffer + ( height - 1 - j ) * width + i );
-							*( ( uint64* )buffer + ( height - 1 - j ) * width + i ) = temp;
-						}
-					}
-				}
-#endif
+				R_VerticalFlipRGB16F( buffer, w, h );
 
 				Framebuffer::Unbind();
 			}