Index: src/game/g_weapon.c
===================================================================
--- src/game/g_weapon.c	(revision 790)
+++ src/game/g_weapon.c	(working copy)
@@ -1086,6 +1086,7 @@
       zap->used = qtrue;
 
       zap->timeToLive = LEVEL2_AREAZAP_TIME;
+      zap->damageUsed = 0;
 
       zap->creator = creator;