diff --git a/include/etl/debug_count.h b/include/etl/debug_count.h
index b603b00c..66b40530 100644
--- a/include/etl/debug_count.h
+++ b/include/etl/debug_count.h
@@ -84,25 +84,15 @@ namespace etl
       return *this;
     }
 
-    inline debug_count& operator +=(int32_t n)
-    {
-      count += n;
-      return *this;
-    }
-
-    inline debug_count& operator -=(int32_t n)
-    {
-      count -= n;
-      return *this;
-    }
-
-    inline debug_count& operator +=(size_t n)
+    template <typename T>
+    inline debug_count& operator +=(T n)
     {
       count += int32_t(n);
       return *this;
     }
 
-    inline debug_count& operator -=(size_t n)
+    template <typename T>
+    inline debug_count& operator -=(T n)
     {
       count -= int32_t(n);
       return *this;