diff --git a/src/output.c b/src/output.c
index 4fd5fff..ff1561d 100644
--- a/src/output.c
+++ b/src/output.c
@@ -321,7 +321,6 @@ static int output_xml(const int print_mac_addreses)
 {
 	unsigned int i;
 	struct range_t *range_p;
-	double range_size;
 	struct shared_network_t *shared_p;
 	struct output_helper_t oh;
 	int ret;
@@ -337,7 +336,6 @@ static int output_xml(const int print_mac_addreses)
 	}
 
 	range_p = ranges;
-	range_size = get_range_size(range_p);
 	shared_p = shared_networks;
 
 	fprintf(outfile, "<dhcpstatus>\n");
@@ -374,12 +372,11 @@ static int output_xml(const int print_mac_addreses)
 			}
 			fprintf(outfile, "\t<range>%s ", ntop_ipaddr(&range_p->first_ip));
 			fprintf(outfile, "- %s</range>\n", ntop_ipaddr(&range_p->last_ip));
-			fprintf(outfile, "\t<defined>%g</defined>\n", range_size);
+			fprintf(outfile, "\t<defined>%g</defined>\n", oh.range_size);
 			fprintf(outfile, "\t<used>%g</used>\n", range_p->count);
 			fprintf(outfile, "\t<touched>%g</touched>\n", range_p->touched);
-			fprintf(outfile, "\t<free>%g</free>\n", range_size - range_p->count);
+			fprintf(outfile, "\t<free>%g</free>\n", oh.range_size - range_p->count);
 			range_p++;
-			range_size = get_range_size(range_p);
 			fprintf(outfile, "</subnet>\n");
 		}
 	}