diff --git a/libdnet-stripped/NMAP_MODIFICATIONS b/libdnet-stripped/NMAP_MODIFICATIONS
index 5c63177a7..55563da2a 100644
--- a/libdnet-stripped/NMAP_MODIFICATIONS
+++ b/libdnet-stripped/NMAP_MODIFICATIONS
@@ -3,6 +3,8 @@ $Id$
 This is Dug Song's excellent Libdnet networking library version 1.12.
 It has been stripped down for inclusion within Nmap and modified as follows:
 
+o Fixed a case where an open file may not be closed in intf_loop()
+
 o Removed the following directories:
   python, test, man, trunk
 
diff --git a/libdnet-stripped/src/intf.c b/libdnet-stripped/src/intf.c
index d3deffe32..ebb3d92cd 100644
--- a/libdnet-stripped/src/intf.c
+++ b/libdnet-stripped/src/intf.c
@@ -678,9 +678,9 @@ intf_loop(intf_t *intf, intf_handler callback, void *arg)
 	intf->ifc.ifc_len = sizeof(intf->ifcbuf);
 	
 	if (ioctl(intf->fd, SIOCGIFCONF, &intf->ifc) < 0) {
-        fclose(fp);
+		fclose(fp);
 		return (-1);
-    }
+	}
 
 	ret = 0;
 	while (fgets(buf, sizeof(buf), fp) != NULL) {