diff --git a/src/core/operations/DefangIPAddresses.mjs b/src/core/operations/DefangIPAddresses.mjs
index d1a8d1db..55485a6c 100644
--- a/src/core/operations/DefangIPAddresses.mjs
+++ b/src/core/operations/DefangIPAddresses.mjs
@@ -28,7 +28,7 @@ class DefangIPAddresses extends Operation {
         this.args = [];
         this.checks = new magicObject([
             {
-                match: "^\\s*(([0-9]{1,3}.){3}[0-9]{1,3}|([0-9a-f]{4}:){7}[0-9a-f]{4})\\s*$",
+                match: "^\\s*(([0-9]{1,3}\\.){3}[0-9]{1,3}|([0-9a-f]{4}:){7}[0-9a-f]{4})\\s*$",
                 flags: "i",
                 args: [],
             }