diff --git a/src/g_hexen/a_flechette.cpp b/src/g_hexen/a_flechette.cpp
index dd951d451..ea72cb208 100644
--- a/src/g_hexen/a_flechette.cpp
+++ b/src/g_hexen/a_flechette.cpp
@@ -125,7 +125,7 @@ bool AArtiPoisonBag3::Use (bool pickup)
 		angle_t orgpitch = angle_t(-Owner->pitch) >> ANGLETOFINESHIFT;
 		angle_t modpitch = angle_t(0xDC00000 - Owner->pitch) >> ANGLETOFINESHIFT;
 		angle_t angle = mo->angle >> ANGLETOFINESHIFT;
-		fixed_t speed = FLOAT2FIXED(sqrt((double)mo->Speed*mo->Speed + (4.0*65536*4*65536)));
+		fixed_t speed = fixed_t(sqrt((double)mo->Speed*mo->Speed + (4.0*65536*4*65536)));
 		fixed_t xyscale = FixedMul(speed, finecosine[modpitch]);
 
 		mo->velz = FixedMul(speed, finesine[modpitch]);