diff --git a/src/main/wacc/backend/asmGenerator.scala b/src/main/wacc/backend/asmGenerator.scala
index 7212e56..4f3c4c7 100644
--- a/src/main/wacc/backend/asmGenerator.scala
+++ b/src/main/wacc/backend/asmGenerator.scala
@@ -260,9 +260,9 @@ object asmGenerator {
         chain ++= evalExprOntoStack(x)
         op match {
           case UnaryOperator.Chr | UnaryOperator.Ord | UnaryOperator.Len => // No op needed
-          case UnaryOperator.Negate => chain += Negate(stack.head(SizeDir.Word))
+          case UnaryOperator.Negate => chain += Negate(stack.head(SizeDir.DWord))
           case UnaryOperator.Not =>
-            chain += Xor(stack.head(SizeDir.Word), ImmediateVal(1))
+            chain += Xor(stack.head(SizeDir.DWord), ImmediateVal(1))
         }
 
       case BinaryOp(x, y, op) =>
@@ -272,27 +272,27 @@ object asmGenerator {
         chain += stack.pop(RAX)
 
         op match {
-          case BinaryOperator.Add => chain += Add(stack.head(SizeDir.Word), EAX)
+          case BinaryOperator.Add => chain += Add(stack.head(SizeDir.DWord), EAX)
           case BinaryOperator.Sub =>
-            chain += Subtract(EAX, stack.head(SizeDir.Word))
+            chain += Subtract(EAX, stack.head(SizeDir.DWord))
             chain += stack.drop()
             chain += stack.push(RAX)
           case BinaryOperator.Mul =>
-            chain += Multiply(EAX, stack.head(SizeDir.Word))
+            chain += Multiply(EAX, stack.head(SizeDir.DWord))
             chain += stack.drop()
             chain += stack.push(RAX)
 
           case BinaryOperator.Div =>
-            chain += Compare(stack.head(SizeDir.Word), ImmediateVal(0))
+            chain += Compare(stack.head(SizeDir.DWord), ImmediateVal(0))
             chain += Jump(LabelArg(zeroDivError.errLabel), Cond.Equal)
             chain += CDQ()
-            chain += Divide(stack.head(SizeDir.Word))
+            chain += Divide(stack.head(SizeDir.DWord))
             chain += stack.drop()
             chain += stack.push(RAX)
 
           case BinaryOperator.Mod =>
             chain += CDQ()
-            chain += Divide(stack.head(SizeDir.Word))
+            chain += Divide(stack.head(SizeDir.DWord))
             chain += stack.drop()
             chain += stack.push(RDX)
 
@@ -302,8 +302,8 @@ object asmGenerator {
           case BinaryOperator.GreaterEq => chain ++= generateComparison(x, y, Cond.GreaterEqual)
           case BinaryOperator.Less      => chain ++= generateComparison(x, y, Cond.Less)
           case BinaryOperator.LessEq    => chain ++= generateComparison(x, y, Cond.LessEqual)
-          case BinaryOperator.And       => chain += And(stack.head(SizeDir.Word), EAX)
-          case BinaryOperator.Or        => chain += Or(stack.head(SizeDir.Word), EAX)
+          case BinaryOperator.And       => chain += And(stack.head(SizeDir.DWord), EAX)
+          case BinaryOperator.Or        => chain += Or(stack.head(SizeDir.DWord), EAX)
         }
 
       case call: microWacc.Call =>
@@ -353,7 +353,7 @@ object asmGenerator {
     chain ++= evalExprOntoStack(x)
     chain ++= evalExprOntoStack(y)
     chain += stack.pop(RAX)
-    chain += Compare(stack.head(SizeDir.Word), EAX)
+    chain += Compare(stack.head(SizeDir.DWord), EAX)
     chain += Set(Register(RegSize.Byte, RegName.AL), cond)
     chain += And(RAX, ImmediateVal(_8_BIT_MASK))
     chain += stack.drop()
diff --git a/src/main/wacc/backend/assemblyIR.scala b/src/main/wacc/backend/assemblyIR.scala
index 5a59fd1..5038be8 100644
--- a/src/main/wacc/backend/assemblyIR.scala
+++ b/src/main/wacc/backend/assemblyIR.scala
@@ -174,13 +174,14 @@ object assemblyIR {
   }
 
   enum SizeDir {
-    case Byte, Word, Unspecified
+    case Byte, Word, DWord, Unspecified
 
     private val ptr = "ptr "
 
     override def toString(): String = this match {
       case Byte        => "byte " + ptr
-      case Word        => "dword " + ptr // TODO check word/doubleword/quadword
+      case Word        => "word " + ptr // TODO check word/doubleword/quadword
+      case DWord       => "dword " + ptr
       case Unspecified => ""
     }
   }