diff --git a/gymcoin/blockchain.py b/gymcoin/blockchain.py
index 5feec37..d5f18f3 100644
--- a/gymcoin/blockchain.py
+++ b/gymcoin/blockchain.py
@@ -127,7 +127,7 @@ def isValidChain(self):
 
 
 			if b2.prev != b1.hash:
-				console.log("error 5");
+				print("error 5");
 				return False;
 		return True;
 
@@ -307,4 +307,4 @@ def signTransaction(self, key, senderKey):
 		self.signature = "made";
 		#print(key.sign(self.hash, ""));
 		print("made signature!");
-		return True;
\ No newline at end of file
+		return True;
diff --git a/gymcoin/blockchainOld.py b/gymcoin/blockchainOld.py
index 44ddfee..867bdd8 100644
--- a/gymcoin/blockchainOld.py
+++ b/gymcoin/blockchainOld.py
@@ -79,7 +79,7 @@ def isValidChain(self):
 
 
 			if b2.prev != b1.hash:
-				console.log("error 5");
+				print("error 5");
 				return False;
 		return True;
 
diff --git a/gymcoin/blockchainjsonpickle.py b/gymcoin/blockchainjsonpickle.py
index 29f4099..defd8b0 100644
--- a/gymcoin/blockchainjsonpickle.py
+++ b/gymcoin/blockchainjsonpickle.py
@@ -131,7 +131,7 @@ def isValidChain(self):
 
 
 			if b2.prev != b1.hash:
-				console.log("error 5");
+				print("error 5");
 				return False;
 		return True;
 
@@ -264,4 +264,4 @@ def signTransaction(self, key):
 		pkcs1_15.new(key);
 		#print(key.sign(self.hash, ""));
 		print("made signature!");
-		return True;
\ No newline at end of file
+		return True;