diff --git a/include/highfive/xtensor.hpp b/include/highfive/xtensor.hpp
index 3e62e4632..a9e034eb0 100644
--- a/include/highfive/xtensor.hpp
+++ b/include/highfive/xtensor.hpp
@@ -79,7 +79,7 @@ struct xtensor_inspector {
 };
 
 template <typename T, size_t N>
-struct inspector<xt::xtensor<T, N>> : public xtensor_inspector<xt::xtensor<T, N>, true> {
+struct inspector<xt::xtensor<T, N>>: public xtensor_inspector<xt::xtensor<T, N>, true> {
   private:
     using super = xtensor_inspector<xt::xtensor<T, N>, true>;
 
@@ -91,7 +91,7 @@ struct inspector<xt::xtensor<T, N>> : public xtensor_inspector<xt::xtensor<T, N>
 };
 
 template <typename T, size_t N, xt::layout_type L>
-struct inspector<xt::xtensor<T, N, L>> : public xtensor_inspector<xt::xtensor<T, N, L>, false> {
+struct inspector<xt::xtensor<T, N, L>>: public xtensor_inspector<xt::xtensor<T, N, L>, false> {
   private:
     using super = xtensor_inspector<xt::xtensor<T, N, L>, false>;
 
diff --git a/tests/unit/data_generator.hpp b/tests/unit/data_generator.hpp
index adbc32de2..0a66c9450 100644
--- a/tests/unit/data_generator.hpp
+++ b/tests/unit/data_generator.hpp
@@ -25,7 +25,7 @@
 namespace HighFive {
 namespace testing {
 
-template<class Dims>
+template <class Dims>
 std::vector<size_t> lstrip(const Dims& indices, size_t n) {
     std::vector<size_t> subindices(indices.size() - n);
     for (size_t i = 0; i < subindices.size(); ++i) {
@@ -35,7 +35,7 @@ std::vector<size_t> lstrip(const Dims& indices, size_t n) {
     return subindices;
 }
 
-template<class Dims>
+template <class Dims>
 size_t ravel(std::vector<size_t>& indices, const Dims& dims) {
     size_t rank = dims.size();
     size_t linear_index = 0;
@@ -49,7 +49,7 @@ size_t ravel(std::vector<size_t>& indices, const Dims& dims) {
     return linear_index;
 }
 
-template<class Dims>
+template <class Dims>
 std::vector<size_t> unravel(size_t flat_index, const Dims& dims) {
     size_t rank = dims.size();
     size_t ld = 1;
@@ -63,7 +63,7 @@ std::vector<size_t> unravel(size_t flat_index, const Dims& dims) {
     return indices;
 }
 
-template<class Dims>
+template <class Dims>
 static size_t flat_size(const Dims& dims) {
     size_t n = 1;
     for (auto d: dims) {