diff --git a/src/interpreter/global.rs b/src/interpreter/global.rs
index 684aeaf..5137c53 100644
--- a/src/interpreter/global.rs
+++ b/src/interpreter/global.rs
@@ -1,6 +1,6 @@
 use std::rc::Rc;
 use std::cell::Cell;
-use elements::{ValueType, GlobalType};
+use elements::ValueType;
 use interpreter::value::RuntimeValue;
 use interpreter::Error;
 
@@ -22,8 +22,8 @@ pub struct GlobalInstance {
 
 impl GlobalInstance {
 
-	pub fn alloc(global_type: &GlobalType, val: RuntimeValue) -> GlobalRef {
-		let global = GlobalInstance::new(val, global_type.is_mutable());
+	pub fn alloc(val: RuntimeValue, mutable: bool) -> GlobalRef {
+		let global = GlobalInstance::new(val, mutable);
 		GlobalRef(Rc::new(global))
 	}
 
diff --git a/src/interpreter/module.rs b/src/interpreter/module.rs
index 2aba006..4881f31 100644
--- a/src/interpreter/module.rs
+++ b/src/interpreter/module.rs
@@ -259,7 +259,10 @@ impl ModuleInstance {
 			)
 			{
 				let init_val = eval_init_expr(global_entry.init_expr(), &*instance);
-				let global = GlobalInstance::alloc(global_entry.global_type(), init_val);
+				let global = GlobalInstance::alloc(
+					init_val,
+					global_entry.global_type().is_mutable(),
+				);
 				instance.push_global(global);
 			}