diff --git a/util/include/rusefi/endian.h b/util/include/rusefi/endian.h
index 5d3de5e..a78ecbc 100644
--- a/util/include/rusefi/endian.h
+++ b/util/include/rusefi/endian.h
@@ -48,7 +48,7 @@ class SwapEndian
 		}
 
 		constexpr SwapEndian(std::conditional_t<sizeof(T) == 2, T, IncompleteType> val) {
-			rep = SWAP_UINT32(val);
+			rep = SWAP_UINT16(val);
 		}
 	private:
 		T rep;