diff --git a/dstyle.dd b/dstyle.dd
index 1ada5f0acb..f7039d2dc3 100644
--- a/dstyle.dd
+++ b/dstyle.dd
@@ -359,6 +359,23 @@ void foo(R)(R r)
 if (R == 1)
 -------------------------------
 )
+$(LISTSECTION Class/Struct Field Declarations,
+    $(LI In structs and classes, there should only be one space between the type of
+    the field and its name. This avoids problems with future changes generating a
+    larger git diff than necessary.)
+-------------------------------
+class MyClass
+{
+    // bad
+    int    a;
+    double b;
+
+    // good
+    int x;
+    double y;
+}
+-------------------------------
+)
 
 $(BR)
 $(P