diff --git a/src/main/java/org/eclipse/tractusx/managedidentitywallets/service/JwtPresentationES256KService.java b/src/main/java/org/eclipse/tractusx/managedidentitywallets/service/JwtPresentationES256KService.java
index 790c7b4fe..7c8e7380c 100644
--- a/src/main/java/org/eclipse/tractusx/managedidentitywallets/service/JwtPresentationES256KService.java
+++ b/src/main/java/org/eclipse/tractusx/managedidentitywallets/service/JwtPresentationES256KService.java
@@ -177,6 +177,7 @@ public SignedJWT createSignedJwt(URI id, Did didIssuer, String audience, Seriali
     private static SignedJWT createSignedES256KJwt(ECPrivateKey ecPrivateKey, JWTClaimsSet claimsSet, String issuer) {
         try {
             JWSSigner signer = new ECDSASigner(ecPrivateKey);
+            signer.getJCAContext().setProvider(BouncyCastleProviderSingleton.getInstance());
             if (!signer.supportedJWSAlgorithms().contains(JWSAlgorithm.ES256K)) {
                 throw new UnsupportedAlgorithmException(String.format("Invalid signing method. Supported signing methods: %s",
                         signer.supportedJWSAlgorithms().stream().map(Algorithm::getName).collect(Collectors.joining(", "))));