--- old/src/linux.cc	2015-07-12 11:25:40.000000000 -0600
+++ new/src/linux.cc	2015-07-12 11:27:01.000000000 -0600
@@ -643,8 +643,8 @@
 			}
 			lastv6->next = NULL;
 		}
+		fclose(file);
 	}
-	fclose(file);
 #endif /* BUILD_IPV6 */
 
 	first = 0;