diff --git a/.changeset/eight-pigs-allow.md b/.changeset/eight-pigs-allow.md
new file mode 100644
index 00000000..99587112
--- /dev/null
+++ b/.changeset/eight-pigs-allow.md
@@ -0,0 +1,5 @@
+---
+"frog": patch
+---
+
+Fixed an issue where initial state was derived but wasn't sent to the next frame handler.
diff --git a/src/frog-base.tsx b/src/frog-base.tsx
index 8f5381c2..52fba63e 100644
--- a/src/frog-base.tsx
+++ b/src/frog-base.tsx
@@ -573,6 +573,7 @@ export class FrogBase<
       const nextFrameStateSearch = toSearchParams({
         initialPath: context.initialPath,
         previousButtonValues: buttonValues,
+        previousState,
       })
       const nextFrameStateMeta = serializeJson({
         initialPath: context.initialPath,