diff --git a/.changeset/kind-tigers-retire.md b/.changeset/kind-tigers-retire.md
new file mode 100644
index 000000000000..432ff1858b4d
--- /dev/null
+++ b/.changeset/kind-tigers-retire.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: allow await in if block consequent and alternate
diff --git a/packages/svelte/src/compiler/phases/3-transform/server/visitors/IfBlock.js b/packages/svelte/src/compiler/phases/3-transform/server/visitors/IfBlock.js
index 798cb02e49db..a869a8edf1ac 100644
--- a/packages/svelte/src/compiler/phases/3-transform/server/visitors/IfBlock.js
+++ b/packages/svelte/src/compiler/phases/3-transform/server/visitors/IfBlock.js
@@ -23,7 +23,11 @@ export function IfBlock(node, context) {
 	/** @type {Statement} */
 	let statement = b.if(test, consequent, alternate);
 
-	if (node.metadata.expression.has_await) {
+	if (
+		node.metadata.expression.has_await ||
+		node.consequent.metadata.has_await ||
+		node.alternate?.metadata.has_await
+	) {
 		statement = create_async_block(b.block([statement]));
 	}
 
diff --git a/packages/svelte/tests/server-side-rendering/samples/async-if-const/_expected.html b/packages/svelte/tests/server-side-rendering/samples/async-if-const/_expected.html
new file mode 100644
index 000000000000..e440e5c84258
--- /dev/null
+++ b/packages/svelte/tests/server-side-rendering/samples/async-if-const/_expected.html
@@ -0,0 +1 @@
+3
\ No newline at end of file
diff --git a/packages/svelte/tests/server-side-rendering/samples/async-if-const/main.svelte b/packages/svelte/tests/server-side-rendering/samples/async-if-const/main.svelte
new file mode 100644
index 000000000000..1437ac8f14bd
--- /dev/null
+++ b/packages/svelte/tests/server-side-rendering/samples/async-if-const/main.svelte
@@ -0,0 +1,10 @@
+{#if false}
+  {@const one = await 1}
+  {one}
+{:else if false}
+  {@const two = await 2}
+  {two}
+{:else}
+  {@const three = await 3}
+  {three}
+{/if}