diff --git a/src/gl/scene/gl_bsp.cpp b/src/gl/scene/gl_bsp.cpp
index 7b9830050..f0ddfd642 100644
--- a/src/gl/scene/gl_bsp.cpp
+++ b/src/gl/scene/gl_bsp.cpp
@@ -140,12 +140,15 @@ static void AddLine (seg_t *seg, bool portalclip)
 	{
 		if (currentsector->sectornum == seg->backsector->sectornum)
 		{
-			FTexture * tex = TexMan(seg->sidedef->GetTexture(side_t::mid));
-			if (!tex || tex->UseType==FTexture::TEX_Null) 
+			if (!seg->linedef->isVisualPortal())
 			{
-				// nothing to do here!
-				seg->linedef->validcount=validcount;
-				return;
+				FTexture * tex = TexMan(seg->sidedef->GetTexture(side_t::mid));
+				if (!tex || tex->UseType==FTexture::TEX_Null) 
+				{
+					// nothing to do here!
+					seg->linedef->validcount=validcount;
+					return;
+				}
 			}
 			backsector=currentsector;
 		}
diff --git a/src/gl/scene/gl_scene.cpp b/src/gl/scene/gl_scene.cpp
index f05213773..050b5e327 100644
--- a/src/gl/scene/gl_scene.cpp
+++ b/src/gl/scene/gl_scene.cpp
@@ -82,6 +82,7 @@ CVAR(Bool, gl_sort_textures, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 
 EXTERN_CVAR (Bool, cl_capfps)
 EXTERN_CVAR (Bool, r_deathcamera)
+EXTERN_CVAR (Float, underwater_fade_scalar)
 
 
 extern int viewpitch;
@@ -633,7 +634,11 @@ void FGLRenderer::DrawBlend(sector_t * viewsector)
 		}
 		else if (blendv.a)
 		{
-			V_AddBlend(blendv.r / 255.f, blendv.g / 255.f, blendv.b / 255.f, blendv.a / 255.0f, blend);
+			// [Nash] allow user to set blend intensity
+			int cnt = blendv.a;
+			cnt = (int)(cnt * underwater_fade_scalar);
+
+			V_AddBlend(blendv.r / 255.f, blendv.g / 255.f, blendv.b / 255.f, cnt / 255.0f, blend);
 		}
 	}