diff --git a/src/r_main.c b/src/r_main.c
index ab70a3ac..8c45be8b 100644
--- a/src/r_main.c
+++ b/src/r_main.c
@@ -586,7 +586,13 @@ void R_ExecuteSetViewSize (void)
 
   // psprite scales
   pspritescale = FixedDiv(viewwidth_nonwide, SCREENWIDTH);       // killough 11/98
-  pspriteiscale = FixedDiv(SCREENWIDTH, viewwidth_nonwide) + 1;  // killough 11/98
+  pspriteiscale = FixedDiv(SCREENWIDTH, viewwidth_nonwide);      // killough 11/98
+
+  // [FG] make sure that the product of the weapon sprite scale factor
+  //      and its reciprocal is always at least FRACUNIT to
+  //      fix garbage lines at the top of weapon sprites
+  while (FixedMul(pspriteiscale, pspritescale) < FRACUNIT)
+    pspriteiscale++;
 
   skyiscale = FixedDiv(160 << FRACBITS, focallength);