diff --git a/.changeset/silent-sheep-study.md b/.changeset/silent-sheep-study.md
new file mode 100644
index 00000000..6cd624ea
--- /dev/null
+++ b/.changeset/silent-sheep-study.md
@@ -0,0 +1,5 @@
+---
+"@buape/carbon": patch
+---
+
+fix: don't let new entry point commands block
diff --git a/packages/carbon/src/abstracts/BaseCommand.ts b/packages/carbon/src/abstracts/BaseCommand.ts
index 45d5453d..a07fe450 100644
--- a/packages/carbon/src/abstracts/BaseCommand.ts
+++ b/packages/carbon/src/abstracts/BaseCommand.ts
@@ -68,6 +68,9 @@ export abstract class BaseCommand {
 	 * @internal
 	 */
 	serialize() {
+		if (this.type === ApplicationCommandType.PrimaryEntryPoint) {
+			throw new Error("Primary Entry Point commands cannot be serialized")
+		}
 		// Only chat input commands can have descriptions
 		if (this.type === ApplicationCommandType.ChatInput) {
 			const data: RESTPostAPIApplicationCommandsJSONBody = {