diff --git a/src/js/static-ext-filtering.js b/src/js/static-ext-filtering.js
index 273c4f9a8..91aca2fef 100644
--- a/src/js/static-ext-filtering.js
+++ b/src/js/static-ext-filtering.js
@@ -516,14 +516,14 @@
             this.nBits = nBits;
             this.timer = undefined;
             this.strToIdMap = new Map();
-            if ( selfie !== undefined ) {
-                this.fromSelfie(selfie);
-                return;
-            }
             this.hostnameToSlotIdMap = new Map();
             this.hostnameSlots = [];
             this.strSlots = [];
             this.size = 0;
+            if ( selfie !== undefined ) {
+                this.fromSelfie(selfie);
+                return;
+            }
         }
 
         store(hn, bits, s) {