diff --git a/EVMimports.js b/EVMimports.js
index 2e30a7b..3f26564 100644
--- a/EVMimports.js
+++ b/EVMimports.js
@@ -124,7 +124,7 @@ module.exports = class Interface {
    * @param {integer} addressOffset the memory offset to laod the address
    * @param {integer} resultOffset
    */
-  getBalance (addressOffset, offset, cbIndex) {
+  getBalance (addressOffset, resultOffset, cbIndex) {
     log.debug('EVMImports.js getBalance')
     this.takeGas(20)
 
@@ -137,7 +137,7 @@ module.exports = class Interface {
     const opPromise = Promise.resolve(balanceU256)
 
     this.kernel.pushOpsQueue(opPromise, cbIndex, balance => {
-      this.setMemory(offset, U128_SIZE_BYTES, balance.toMemory(U128_SIZE_BYTES))
+      this.setMemory(resultOffset, U128_SIZE_BYTES, balance.toMemory(U128_SIZE_BYTES).reverse())
     })
   }
 
diff --git a/tests/interface/balance.json b/tests/interface/balance.json
index e818b77..c03d78a 100644
--- a/tests/interface/balance.json
+++ b/tests/interface/balance.json
@@ -3,7 +3,7 @@
   "callData": "0x00",
   "state": {
       "0x5d48c1018904a172886829bbbd9c6f4a2d06c47b": {
-        "balance": "0x056bc75e2d63100000",
+        "balance": "0xde0b6b3a7640000",
         "code": "0x00",
         "nonce": "0x00"
       }
diff --git a/tests/interface/balance.wasm b/tests/interface/balance.wasm
index 1f94431..6d09822 100644
Binary files a/tests/interface/balance.wasm and b/tests/interface/balance.wasm differ
diff --git a/tests/interface/balance.wast b/tests/interface/balance.wast
index 9a5e6b7..7f59a6a 100644
--- a/tests/interface/balance.wast
+++ b/tests/interface/balance.wast
@@ -1,4 +1,4 @@
-;; address of 5d48c1018904a172886829bbbd9c6f4a2d06c47b has a balance of 0x056bc75e2d63100000 (100 ETH)
+;; address 5d48c1018904a172886829bbbd9c6f4a2d06c47b has a balance of 0xde0b6b3a7640000 (1 ETH)
 (module
   (import  "ethereum" "getBalance"  (func $balance (param i32 i32 i32)))
   (memory 1 )
@@ -8,16 +8,15 @@
   (export "1" (func  $callback))
 
   (func $main
-    (call $balance (i32.const 0) (i32.const 0) (i32.const 1))
+    (call $balance (i32.const 0) (i32.const 64) (i32.const 1))
   )
- 
+
   (func $callback
     (block
-      (if (i64.eq (i64.load (i32.const 0)) (i64.const 0x0500000000000000))
+      (if (i64.eq (i64.load (i32.const 64)) (i64.const 0xde0b6b3a7640000))
         (return)
       )
       (unreachable)
     )
   )
 )
-