diff --git a/codegen/index.js b/codegen/index.js
index 1850a77..194bb75 100644
--- a/codegen/index.js
+++ b/codegen/index.js
@@ -161,8 +161,9 @@
       Array.from(shared), new Set(), visited, isDecision, loopTargets
     );
 
-    var out = ifHeader + " {\n" + errCode + "}\n";
-    if (okCode) out += okCode;
+    var out = ifHeader + " {\n" + errCode + "}";
+    if (okCode) out += " else {\n" + okCode + "}";
+    out += "\n";
     if (sharedCode) out += sharedCode;
     return out;
   };