diff --git a/test/bcRPC_API_TestFiller.json b/test/bcRPC_API_TestFiller.json
index 2938178c2..781bd5e7d 100644
--- a/test/bcRPC_API_TestFiller.json
+++ b/test/bcRPC_API_TestFiller.json
@@ -226,7 +226,7 @@
                 "transactions" : [
                     {
                         "data" : "setInt8",
-                        "data" : "0x9a19a953000000000000000000000000000000000000000000000000fffffffffffffffa",
+                        "data" : "0x9a19a953fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa",
                         "gasLimit" : "314159",
                         "gasPrice" : "1",
                         "nonce" : "10",
diff --git a/test/blockchain.cpp b/test/blockchain.cpp
index 7fb425ed6..8854a9705 100644
--- a/test/blockchain.cpp
+++ b/test/blockchain.cpp
@@ -289,6 +289,7 @@ void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
 					state = stateTemp; //revert state as if it was before executing this block
 				}
 				blArray.push_back(blObj);
+				sleep(1);
 			} //for blocks
 
 			if (o.count("expect") > 0)