diff --git a/TODO b/TODO
index 08db6f9..e1aa39c 100644
--- a/TODO
+++ b/TODO
@@ -12,6 +12,8 @@
 - Warn at compile time (and runtime with HB_DEBUG?) if no Unicode / font
   funcs found / set.
 
+- Do proper rounding when scaling from font space?  May be a non-issue.
+
 - Misc features:
   * init/medi/fina/isol for non-cursive scripts
 
diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 620d05e..9638839 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -397,11 +397,7 @@
   }
 
   private:
-  inline hb_position_t em_scale (int16_t v, int scale)
-  {
-    unsigned int upem = face->get_upem ();
-    return (v * (int64_t) scale + upem / 2) / upem;
-  }
+  inline hb_position_t em_scale (int16_t v, int scale) { return v * (int64_t) scale / face->get_upem (); }
 };
 
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS