diff --git a/lib/pinc_format/Formatter.ml b/lib/pinc_format/Formatter.ml
index 12cb402..b944558 100644
--- a/lib/pinc_format/Formatter.ml
+++ b/lib/pinc_format/Formatter.ml
@@ -48,7 +48,9 @@ and format_html_attributes format = function
                   ^^ rbrace
               | _ -> format value
             in
-            nest 2 (ifflat empty (break 1) ^^ string key ^^ equals ^^ formatted_value))
+            nest
+              2
+              (ifflat empty (break 1) ^^ group (string key ^^ equals ^^ formatted_value)))
           lst
       in
       group (separate space lst)
diff --git a/test/slot/run.t b/test/slot/run.t
index 3164dcd..fac60cd 100644
--- a/test/slot/run.t
+++ b/test/slot/run.t
@@ -54,15 +54,9 @@
       <SubComponent
         slot="restricted"
         content="Hello, SubComponent!"
-        num={
-          3
-        }
-        array_things={
-          array
-        }
-        record={
-          record
-        }
+        num={3}
+        array_things={array}
+        record={record}
       />
   
       {if (record.a > 9) { <span slot="nope">Yaaay!</span> }}