diff --git a/src/powder.c b/src/powder.c
index 37690f9fa..85c31e110 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -712,6 +712,9 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a
 
 	if (t==PT_SPRK)
 	{
+		if((pmap[y][x]&0xFF)==PT_WIRE){
+			parts[pmap[y][x]>>8].ctype=PT_DUST;
+		}
 		if ((pmap[y][x]>>8)>=NPART || !((pmap[y][x]&0xFF)==PT_INST||(ptypes[pmap[y][x]&0xFF].properties&PROP_CONDUCTS)))
 			return -1;
 		if (parts[pmap[y][x]>>8].life!=0)