diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 50570618fd..4bd7df6a91 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -5683,6 +5683,7 @@ scriptwait:
 					float x = FIXED2FLOAT(Stack[optstart-3]);
 					float y = FIXED2FLOAT(Stack[optstart-2]);
 					float holdTime = FIXED2FLOAT(Stack[optstart-1]);
+					fixed_t alpha;
 					DHUDMessage *msg;
 
 					if (type & HUDMSG_COLORSTRING)
@@ -5697,11 +5698,13 @@ scriptwait:
 					switch (type & 0xFF)
 					{
 					default:	// normal
+						alpha = (optstart < sp) ? Stack[optstart] : FRACUNIT;
 						msg = new DHUDMessage (activefont, work, x, y, hudwidth, hudheight, color, holdTime);
 						break;
 					case 1:		// fade out
 						{
 							float fadeTime = (optstart < sp) ? FIXED2FLOAT(Stack[optstart]) : 0.5f;
+							alpha = (optstart < sp-1) ? Stack[optstart+1] : FRACUNIT;
 							msg = new DHUDMessageFadeOut (activefont, work, x, y, hudwidth, hudheight, color, holdTime, fadeTime);
 						}
 						break;
@@ -5709,6 +5712,7 @@ scriptwait:
 						{
 							float typeTime = (optstart < sp) ? FIXED2FLOAT(Stack[optstart]) : 0.05f;
 							float fadeTime = (optstart < sp-1) ? FIXED2FLOAT(Stack[optstart+1]) : 0.5f;
+							alpha = (optstart < sp-2) ? Stack[optstart+2] : FRACUNIT;
 							msg = new DHUDMessageTypeOnFadeOut (activefont, work, x, y, hudwidth, hudheight, color, typeTime, holdTime, fadeTime);
 						}
 						break;
@@ -5716,11 +5720,13 @@ scriptwait:
 						{
 							float inTime = (optstart < sp) ? FIXED2FLOAT(Stack[optstart]) : 0.5f;
 							float outTime = (optstart < sp-1) ? FIXED2FLOAT(Stack[optstart+1]) : 0.5f;
+							alpha = (optstart < sp-2) ? Stack[optstart+2] : FRACUNIT;
 							msg = new DHUDMessageFadeInOut (activefont, work, x, y, hudwidth, hudheight, color, holdTime, inTime, outTime);
 						}
 						break;
 					}
 					msg->SetVisibility((type & HUDMSG_VISIBILITY_MASK) >> HUDMSG_VISIBILITY_SHIFT);
+					msg->SetAlpha(alpha);
 					if (type & HUDMSG_ADDBLEND)
 					{
 						msg->SetRenderStyle(STYLE_Add);