diff --git a/src/conf/virnwfilterobj.c b/src/conf/virnwfilterobj.c
index 7e13afb030..5f5da5a025 100644
--- a/src/conf/virnwfilterobj.c
+++ b/src/conf/virnwfilterobj.c
@@ -305,6 +305,26 @@ virNWFilterObjAssignDef(virNWFilterObjListPtr nwfilters,
 }
 
 
+int
+virNWFilterObjNumOfNWFilters(virNWFilterObjListPtr nwfilters,
+                             virConnectPtr conn,
+                             virNWFilterObjListFilter aclfilter)
+{
+    size_t i;
+    int nfilters = 0;
+
+    for (i = 0; i < nwfilters->count; i++) {
+        virNWFilterObjPtr obj = nwfilters->objs[i];
+        virNWFilterObjLock(obj);
+        if (!aclfilter || aclfilter(conn, obj->def))
+            nfilters++;
+        virNWFilterObjUnlock(obj);
+    }
+
+    return nfilters;
+}
+
+
 static virNWFilterObjPtr
 virNWFilterObjLoadConfig(virNWFilterObjListPtr nwfilters,
                          const char *configDir,
diff --git a/src/conf/virnwfilterobj.h b/src/conf/virnwfilterobj.h
index 1d80455fcc..a8ecc35d6a 100644
--- a/src/conf/virnwfilterobj.h
+++ b/src/conf/virnwfilterobj.h
@@ -81,6 +81,15 @@ virNWFilterObjAssignDef(virNWFilterObjListPtr nwfilters,
 int
 virNWFilterObjTestUnassignDef(virNWFilterObjPtr nwfilter);
 
+typedef bool
+(*virNWFilterObjListFilter)(virConnectPtr conn,
+                            virNWFilterDefPtr def);
+
+int
+virNWFilterObjNumOfNWFilters(virNWFilterObjListPtr nwfilters,
+                             virConnectPtr conn,
+                             virNWFilterObjListFilter aclfilter);
+
 int
 virNWFilterObjLoadAllConfigs(virNWFilterObjListPtr nwfilters,
                              const char *configDir);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 8509f639e4..bc5605381f 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -965,6 +965,7 @@ virNWFilterObjFindByUUID;
 virNWFilterObjListFree;
 virNWFilterObjLoadAllConfigs;
 virNWFilterObjLock;
+virNWFilterObjNumOfNWFilters;
 virNWFilterObjRemove;
 virNWFilterObjTestUnassignDef;
 virNWFilterObjUnlock;
diff --git a/src/nwfilter/nwfilter_driver.c b/src/nwfilter/nwfilter_driver.c
index 4ea216a59c..70bdea2e16 100644
--- a/src/nwfilter/nwfilter_driver.c
+++ b/src/nwfilter/nwfilter_driver.c
@@ -414,22 +414,11 @@ nwfilterLookupByName(virConnectPtr conn,
 static int
 nwfilterConnectNumOfNWFilters(virConnectPtr conn)
 {
-    size_t i;
-    int n;
-
     if (virConnectNumOfNWFiltersEnsureACL(conn) < 0)
         return -1;
 
-    n = 0;
-    for (i = 0; i < driver->nwfilters.count; i++) {
-        virNWFilterObjPtr obj = driver->nwfilters.objs[i];
-        virNWFilterObjLock(obj);
-        if (virConnectNumOfNWFiltersCheckACL(conn, obj->def))
-            n++;
-        virNWFilterObjUnlock(obj);
-    }
-
-    return n;
+    return virNWFilterObjNumOfNWFilters(&driver->nwfilters, conn,
+                                        virConnectNumOfNWFiltersCheckACL);
 }