diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index 19d5c6f..f879016 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -260,7 +260,7 @@
 #define POLARSSL_ECP_DP_SECP384R1_ENABLED
 #define POLARSSL_ECP_DP_SECP521R1_ENABLED
 //#define POLARSSL_ECP_DP_SECP192K1_ENABLED // Not implemented yet!
-//#define POLARSSL_ECP_DP_SECP224K1_ENABLED // Not implemented yet!
+#define POLARSSL_ECP_DP_SECP224K1_ENABLED
 #define POLARSSL_ECP_DP_SECP256K1_ENABLED
 #define POLARSSL_ECP_DP_BP256R1_ENABLED
 #define POLARSSL_ECP_DP_BP384R1_ENABLED