1 files changed, 1 insertions, 0 deletions
diff --git a/src/opcodes/instanceOf.ts b/src/opcodes/instanceOf.ts
index 752ea2b6..4a34477f 100644
--- a/src/opcodes/instanceOf.ts
+++ b/src/opcodes/instanceOf.ts
@@ -6,6 +6,7 @@ export function check(this: WebSocket, schema: any, data: any) {
 	try {
 		if (instanceOf(schema, data) !== true) throw "invalid";
 	} catch (error) {
+		console.error(error);
 		// invalid payload
 		this.close(CLOSECODES.Decode_error);
 		return false;