diff --git a/src/libutil/error.hh b/src/libutil/error.hh
index 9dcb42e14..32571d97f 100644
--- a/src/libutil/error.hh
+++ b/src/libutil/error.hh
@@ -12,9 +12,9 @@
 namespace nix {
 
 typedef enum { 
-    elWarning
-    , elError
-    } ErrLevel;
+    elWarning,
+    elError
+} ErrLevel;
 
 class ColumnRange { 
     public: