diff --git a/src/main/java/moe/yushi/authlibinjector/httpd/ProfileKeyFilter.java b/src/main/java/moe/yushi/authlibinjector/httpd/ProfileKeyFilter.java
index d0e5a53..f4b8d6f 100644
--- a/src/main/java/moe/yushi/authlibinjector/httpd/ProfileKeyFilter.java
+++ b/src/main/java/moe/yushi/authlibinjector/httpd/ProfileKeyFilter.java
@@ -74,8 +74,8 @@ private JSONObject makeDummyResponse() {
 		keyPairObj.put("privateKey", privateKeyPEM);
 		keyPairObj.put("publicKey", publicKeyPEM);
 		response.put("keyPair", keyPairObj);
-		response.put("publicKeySignature", "AA==");
-		response.put("publicKeySignatureV2", "AA==");
+		response.put("publicKeySignature", "");
+		response.put("publicKeySignatureV2", "");
 		response.put("expiresAt", DateTimeFormatter.ISO_INSTANT.format(expiresAt));
 		response.put("refreshedAfter", DateTimeFormatter.ISO_INSTANT.format(refreshedAfter));
 		return response;