diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index aacb45b18..b304e638f 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -996,6 +996,7 @@ enum FB_Flags
 	FBF_NORANDOM = 2,
 	FBF_EXPLICITANGLE = 4,
 	FBF_NOPITCH = 8,
+	FBF_NOFLASH = 16,
 };
 
 DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_FireBullets)
@@ -1025,7 +1026,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_FireBullets)
 	
 	if (Range == 0) Range = PLAYERMISSILERANGE;
 
-	static_cast<APlayerPawn *>(self)->PlayAttacking2 ();
+	if (!(Flags & FBF_NOFLASH)) static_cast<APlayerPawn *>(self)->PlayAttacking2 ();
 
 	if (!(Flags & FBF_NOPITCH)) bslope = P_BulletSlope(self);
 	bangle = self->angle;
diff --git a/wadsrc/static/actors/constants.txt b/wadsrc/static/actors/constants.txt
index 05e77df2a..d6fdd42de 100644
--- a/wadsrc/static/actors/constants.txt
+++ b/wadsrc/static/actors/constants.txt
@@ -24,6 +24,7 @@ const int FBF_USEAMMO = 1;
 const int FBF_NORANDOM = 2;
 const int FBF_EXPLICITANGLE = 4;
 const int FBF_NOPITCH = 8;
+const int FBF_NOFLASH = 16;
 
 // Flags for A_SpawnItemEx
 const int SXF_TRANSFERTRANSLATION=1;