diff --git a/.changeset/beige-olives-roll.md b/.changeset/beige-olives-roll.md
new file mode 100644
index 0000000000..4707f55aca
--- /dev/null
+++ b/.changeset/beige-olives-roll.md
@@ -0,0 +1,6 @@
+---
+"rrweb-snapshot": patch
+"rrweb": patch
+---
+
+Fix that the optional `maskInputFn` was being accidentally ignored during the creation of the full snapshot
diff --git a/packages/rrweb/src/record/index.ts b/packages/rrweb/src/record/index.ts
index e663b205f8..fdf5c2e306 100644
--- a/packages/rrweb/src/record/index.ts
+++ b/packages/rrweb/src/record/index.ts
@@ -386,6 +386,7 @@ function record<T = eventWithTime>(
       maskAllInputs: maskInputOptions,
       maskInputFn,
       maskTextFn,
+      maskInputFn,
       slimDOM: slimDOMOptions,
       dataURLOptions,
       recordCanvas,