diff --git a/Utility/Inc/utility_fixedpoint.hpp b/Utility/Inc/utility_fixedpoint.hpp
index 8f2753c..bb6db34 100644
--- a/Utility/Inc/utility_fixedpoint.hpp
+++ b/Utility/Inc/utility_fixedpoint.hpp
@@ -18,6 +18,12 @@ struct NextRankingInteger
 {
 };
 
+template<>
+struct NextRankingInteger<std::int8_t>
+{
+  using T = std::int16_t;
+};
+
 template<>
 struct NextRankingInteger<std::int16_t>
 {
@@ -36,6 +42,12 @@ struct NextRankingInteger<std::int64_t>
   using T = std::int64_t;
 };
 
+template<>
+struct NextRankingInteger<std::uint8_t>
+{
+  using T = std::uint16_t;
+};
+
 template<>
 struct NextRankingInteger<std::uint16_t>
 {