diff --git a/test/functional/interface_rest.py b/test/functional/interface_rest.py
index a036dfc79..797fcc828 100755
--- a/test/functional/interface_rest.py
+++ b/test/functional/interface_rest.py
@@ -151,7 +151,7 @@ class RESTTest (BitcoinTestFramework):
 
         bin_response = self.test_rest_request("/getutxos", http_method='POST', req_type=ReqType.BIN, body=bin_request, ret_type=RetType.BYTES)
         output = BytesIO(bin_response)
-        chain_height, = unpack("i", output.read(4))
+        chain_height, = unpack("<i", output.read(4))
         response_hash = output.read(32)[::-1].hex()
 
         assert_equal(bb_hash, response_hash)  # check if getutxo's chaintip during calculation was fine