diff --git a/src/compiler/NubLang/Generation/QBE/QBEGenerator.cs b/src/compiler/NubLang/Generation/QBE/QBEGenerator.cs
index 4734cdc..af0acbd 100644
--- a/src/compiler/NubLang/Generation/QBE/QBEGenerator.cs
+++ b/src/compiler/NubLang/Generation/QBE/QBEGenerator.cs
@@ -939,7 +939,7 @@ public class QBEGenerator
         {
             destination = TmpName();
             var size = SizeOf(structInitializer.StructType);
-            _writer.Indented($"{destination} =l call $malloc(l {size})");
+            _writer.Indented($"{destination} =l alloc8 {size}");
         }
 
         foreach (var field in structDef.Fields)