diff --git a/src/main/java/org/bitcoin/NativeSecp256k1.java b/src/main/java/org/bitcoin/NativeSecp256k1.java
index 027044afff..72f248f003 100644
--- a/src/main/java/org/bitcoin/NativeSecp256k1.java
+++ b/src/main/java/org/bitcoin/NativeSecp256k1.java
@@ -287,7 +287,7 @@ public class NativeSecp256k1 {
      * @param tweak some bytes to tweak with
      * @param pubkey 32-byte seckey
      */
-    public static byte[] pubKeyTweakAdd(byte[] pubkey, byte[] tweak) throws AssertFailException{
+    public static byte[] pubKeyTweakAdd(byte[] pubkey, byte[] tweak, boolean fCompressed) throws AssertFailException{
         checkInvariant(pubkey.length == 33 || pubkey.length == 65);
 
         ByteBuffer byteBuff = nativeECDSABuffer.get();
@@ -303,7 +303,7 @@ public class NativeSecp256k1 {
         byte[][] retByteArray;
         r.lock();
         try {
-            retByteArray = secp256k1_pubkey_tweak_add(byteBuff,Secp256k1Context.getContext(), pubkey.length);
+            retByteArray = secp256k1_pubkey_tweak_add(byteBuff,Secp256k1Context.getContext(), pubkey.length, fCompressed);
         } finally {
             r.unlock();
         }
@@ -326,7 +326,7 @@ public class NativeSecp256k1 {
      * @param tweak some bytes to tweak with
      * @param pubkey 32-byte seckey
      */
-    public static byte[] pubKeyTweakMul(byte[] pubkey, byte[] tweak) throws AssertFailException{
+    public static byte[] pubKeyTweakMul(byte[] pubkey, byte[] tweak, boolean fCompressed) throws AssertFailException{
         checkInvariant(pubkey.length == 33 || pubkey.length == 65);
 
         ByteBuffer byteBuff = nativeECDSABuffer.get();
@@ -342,7 +342,7 @@ public class NativeSecp256k1 {
         byte[][] retByteArray;
         r.lock();
         try {
-            retByteArray = secp256k1_pubkey_tweak_mul(byteBuff,Secp256k1Context.getContext(), pubkey.length);
+            retByteArray = secp256k1_pubkey_tweak_mul(byteBuff,Secp256k1Context.getContext(), pubkey.length, fCompressed);
         } finally {
             r.unlock();
         }
@@ -428,9 +428,9 @@ public class NativeSecp256k1 {
 
     private static native byte[][] secp256k1_privkey_tweak_mul(ByteBuffer byteBuff, long context);
 
-    private static native byte[][] secp256k1_pubkey_tweak_add(ByteBuffer byteBuff, long context, int pubLen);
+    private static native byte[][] secp256k1_pubkey_tweak_add(ByteBuffer byteBuff, long context, int pubLen, boolean fCompressed);
 
-    private static native byte[][] secp256k1_pubkey_tweak_mul(ByteBuffer byteBuff, long context, int pubLen);
+    private static native byte[][] secp256k1_pubkey_tweak_mul(ByteBuffer byteBuff, long context, int pubLen, boolean fCompressed);
 
     private static native void secp256k1_destroy_context(long context);
 
diff --git a/src/test/java/org/bitcoin/NativeSecp256k1Test.java b/src/test/java/org/bitcoin/NativeSecp256k1Test.java
index 51898caffb..b4f6eb3718 100644
--- a/src/test/java/org/bitcoin/NativeSecp256k1Test.java
+++ b/src/test/java/org/bitcoin/NativeSecp256k1Test.java
@@ -152,9 +152,9 @@ public class NativeSecp256k1Test {
         byte[] pub = BaseEncoding.base16().lowerCase().decode("040A629506E1B65CD9D2E0BA9C75DF9C4FED0DB16DC9625ED14397F0AFC836FAE595DC53F8B0EFE61E703075BD9B143BAC75EC0E19F82A2208CAEB32BE53414C40".toLowerCase());
         byte[] data = BaseEncoding.base16().lowerCase().decode("3982F19BEF1615BCCFBB05E321C10E1D4CBA3DF0E841C2E41EEB6016347653C3".toLowerCase()); //sha256hash of "tweak"
 
-        byte[] resultArr = NativeSecp256k1.pubKeyTweakAdd( pub , data );
+        byte[] resultArr = NativeSecp256k1.pubKeyTweakAdd( pub , data, false );
         String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
-        assertEquals( sigString , "0311C6790F4B663CCE607BAAE08C43557EDC1A4D11D88DFCB3D841D0C6A941AF52" , "testPrivKeyAdd_2");
+        assertEquals( sigString , "0411C6790F4B663CCE607BAAE08C43557EDC1A4D11D88DFCB3D841D0C6A941AF525A268E2A863C148555C48FB5FBA368E88718A46E205FABC3DBA2CCFFAB0796EF" , "testPrivKeyAdd_2");
     }
 
     /**
@@ -165,11 +165,10 @@ public class NativeSecp256k1Test {
         byte[] pub = BaseEncoding.base16().lowerCase().decode("040A629506E1B65CD9D2E0BA9C75DF9C4FED0DB16DC9625ED14397F0AFC836FAE595DC53F8B0EFE61E703075BD9B143BAC75EC0E19F82A2208CAEB32BE53414C40".toLowerCase());
         byte[] data = BaseEncoding.base16().lowerCase().decode("3982F19BEF1615BCCFBB05E321C10E1D4CBA3DF0E841C2E41EEB6016347653C3".toLowerCase()); //sha256hash of "tweak"
 
-        byte[] resultArr = NativeSecp256k1.pubKeyTweakMul( pub , data );
+        byte[] resultArr = NativeSecp256k1.pubKeyTweakMul( pub , data, false );
         String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
-        assertEquals( sigString , "03E0FE6FE55EBCA626B98A807F6CAF654139E14E5E3698F01A9A658E21DC1D2791" , "testPrivKeyMul_2");
+        assertEquals( sigString , "04E0FE6FE55EBCA626B98A807F6CAF654139E14E5E3698F01A9A658E21DC1D2791EC060D4F412A794D5370F672BC94B722640B5F76914151CFCA6E712CA48CC589", "testPrivKeyMul_2");
     }
-
     /**
      * This tests seed randomization
      */