diff --git a/.changeset/spicy-jeans-deliver.md b/.changeset/spicy-jeans-deliver.md
new file mode 100644
index 0000000000..80c343eca8
--- /dev/null
+++ b/.changeset/spicy-jeans-deliver.md
@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+fix: ensure inspect fires on prop changes
diff --git a/packages/svelte/src/internal/client/runtime.js b/packages/svelte/src/internal/client/runtime.js
index 1fe72efa41..cf55be1f5e 100644
--- a/packages/svelte/src/internal/client/runtime.js
+++ b/packages/svelte/src/internal/client/runtime.js
@@ -1646,7 +1646,8 @@ export function prop(props, key, flags, initial) {
 		var current = get(current_value);
 
 		// legacy nonsense — need to ensure the source is invalidated when necessary
-		if (is_signals_recorded) {
+		// also needed for when handling inspect logic so we can inspect the correct source signal
+		if (is_signals_recorded || (DEV && inspect_fn)) {
 			// set this so that we don't reset to the parent value if `d`
 			// is invalidated because of `invalidate_inner_signals` (rather
 			// than because the parent or child value changed)