diff --git a/transport/internet/header_test.go b/transport/internet/header_test.go
index 65a7afa1..980b62a9 100644
--- a/transport/internet/header_test.go
+++ b/transport/internet/header_test.go
@@ -15,13 +15,13 @@ func TestAllHeadersLoadable(t *testing.T) {
 
 	noopAuth, err := CreatePacketHeader((*noop.Config)(nil))
 	assert(err, IsNil)
-	assert(noopAuth.Size(), Equals, 0)
+	assert(noopAuth.Size(), Equals, int32(0))
 
 	srtp, err := CreatePacketHeader((*srtp.Config)(nil))
 	assert(err, IsNil)
-	assert(srtp.Size(), Equals, 4)
+	assert(srtp.Size(), Equals, int32(4))
 
 	utp, err := CreatePacketHeader((*utp.Config)(nil))
 	assert(err, IsNil)
-	assert(utp.Size(), Equals, 4)
+	assert(utp.Size(), Equals, int32(4))
 }
diff --git a/transport/internet/http/http_test.go b/transport/internet/http/http_test.go
index acbe6212..c0809fff 100644
--- a/transport/internet/http/http_test.go
+++ b/transport/internet/http/http_test.go
@@ -41,7 +41,7 @@ func TestHTTPConnection(t *testing.T) {
 				}
 				nBytes, err := conn.Write(b.Bytes())
 				assert(err, IsNil)
-				assert(nBytes, Equals, b.Len())
+				assert(int32(nBytes), Equals, b.Len())
 			}
 		}()
 	})