diff --git a/.changeset/forty-turkeys-tap.md b/.changeset/forty-turkeys-tap.md
new file mode 100644
index 000000000000..f7d6609abe8b
--- /dev/null
+++ b/.changeset/forty-turkeys-tap.md
@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Fixes a bug where JSX runtime would error on components with nullish prop values in certain conditions.
diff --git a/packages/astro/src/runtime/server/jsx.ts b/packages/astro/src/runtime/server/jsx.ts
index b2aca1783264..81bae422f09a 100644
--- a/packages/astro/src/runtime/server/jsx.ts
+++ b/packages/astro/src/runtime/server/jsx.ts
@@ -116,7 +116,7 @@ Did you forget to import the component or is it possible there is a typo?`);
 			}
 			extractSlots(children);
 			for (const [key, value] of Object.entries(props)) {
-				if (value['$$slot']) {
+				if (value?.['$$slot']) {
 					_slots[key] = value;
 					delete props[key];
 				}