diff --git a/src/array_view.hh b/src/array_view.hh
index 0d225fd6..922cd99a 100644
--- a/src/array_view.hh
+++ b/src/array_view.hh
@@ -65,7 +65,7 @@ public:
 
 private:
     T* m_pointer;
-    size_t   m_size;
+    size_t m_size;
 };
 
 template<typename T>