diff --git a/Source/missiles.cpp b/Source/missiles.cpp
index 8e8daf10d..b275e7519 100644
--- a/Source/missiles.cpp
+++ b/Source/missiles.cpp
@@ -1400,11 +1400,11 @@ void missiles_berserk(int mi, int sx, int sy, int dx, int dy, int midir, char mi
 									if ((!(monster[dm].mMagicRes & RESIST_MAGIC) || (monster[dm].mMagicRes & RESIST_MAGIC) == 1 && !random(99, 2)) && monster[dm]._mmode != MM_CHARGE) {
 										j = 6;
 										double slvl = (double)GetSpellLevel(id, SPL_BERSERK);
-										monster[dm]._mFlags |= MFLAG_UNUSED | MFLAG_GOLEM; //is this ok?
-										monster[dm].mMinDamage = (__int64)(((double)(random(145, 10) + 20) * 0.01 - -1.0) * (double)monster[dm].mMinDamage + slvl);
-										monster[dm].mMaxDamage = (__int64)(((double)(random(145, 10) + 20) * 0.01 - -1.0) * (double)monster[dm].mMaxDamage + slvl);
-										monster[dm].mMinDamage2 = (__int64)(((double)(random(145, 10) + 20) * 0.01 - -1.0) * (double)monster[dm].mMinDamage2 + slvl);
-										monster[dm].mMaxDamage2 = (__int64)(((double)(random(145, 10) + 20) * 0.01 - -1.0) * (double)monster[dm].mMaxDamage2 + slvl);
+										monster[dm]._mFlags |= MFLAG_UNUSED | MFLAG_GOLEM;
+										monster[dm].mMinDamage = ((double)(random(145, 10) + 20) / 100 + 1) * (double)monster[dm].mMinDamage + slvl;
+										monster[dm].mMaxDamage = ((double)(random(145, 10) + 20) / 100 + 1) * (double)monster[dm].mMaxDamage + slvl;
+										monster[dm].mMinDamage2 = ((double)(random(145, 10) + 20) / 100 + 1) * (double)monster[dm].mMinDamage2 + slvl;
+										monster[dm].mMaxDamage2 = ((double)(random(145, 10) + 20) / 100 + 1) * (double)monster[dm].mMaxDamage2 + slvl;
 										if (currlevel < 17 || currlevel > 20)
 											r = 3;
 										else