diff --git a/src/gl/scene/gl_scene.cpp b/src/gl/scene/gl_scene.cpp
index b53be4aaa..1437d3fd5 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;
@@ -602,7 +603,11 @@ 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);
 		}
 	}