diff --git a/example/program.nub b/example/program.nub
index a963944..5dd006a 100644
--- a/example/program.nub
+++ b/example/program.nub
@@ -6,6 +6,7 @@ global func main() {
     }
 
     while 1 == 1 {
-        puts("loop");
+        puts("test");
+        break;
     }
 }
\ No newline at end of file
diff --git a/src/compiler/Nub.Lang/Backend/Generator.cs b/src/compiler/Nub.Lang/Backend/Generator.cs
index c90087b..5b73c77 100644
--- a/src/compiler/Nub.Lang/Backend/Generator.cs
+++ b/src/compiler/Nub.Lang/Backend/Generator.cs
@@ -549,10 +549,8 @@ public class Generator
         {
             return bool.Parse(literal.Literal) ? "1" : "0";
         }
-        else
-        {
-            throw new NotImplementedException();
-        }
+
+        throw new NotSupportedException($"Literal {literal.LiteralType} is not supported");
     }
 
     private string GenerateStructInitializer(StructInitializerNode structInitializer)