diff --git a/src/build/asm/Assembler.go b/src/build/asm/Assembler.go
index 6ad35c8..d539003 100644
--- a/src/build/asm/Assembler.go
+++ b/src/build/asm/Assembler.go
@@ -13,3 +13,12 @@ func (a *Assembler) Merge(b Assembler) {
 	maps.Copy(a.Data, b.Data)
 	a.Instructions = append(a.Instructions, b.Instructions...)
 }
+
+// SetData sets the data for the given label.
+func (a *Assembler) SetData(label string, data []byte) {
+	if a.Data == nil {
+		a.Data = map[string][]byte{}
+	}
+
+	a.Data[label] = data
+}
diff --git a/src/build/core/Function.go b/src/build/core/Function.go
index b5c3c67..eef5bcd 100644
--- a/src/build/core/Function.go
+++ b/src/build/core/Function.go
@@ -27,7 +27,6 @@ func NewFunction(name string, file *fs.File, body token.List) *Function {
 		state: state{
 			assembler: asm.Assembler{
 				Instructions: make([]asm.Instruction, 0, 32),
-				Data:         map[string][]byte{},
 			},
 			cpu: cpu.CPU{
 				All:     x64.AllRegisters,
diff --git a/src/build/core/TokenToRegister.go b/src/build/core/TokenToRegister.go
index afedcb5..7f81b17 100644
--- a/src/build/core/TokenToRegister.go
+++ b/src/build/core/TokenToRegister.go
@@ -40,8 +40,8 @@ func (f *Function) TokenToRegister(t token.Token, register cpu.Register) error {
 	case token.String:
 		f.count.data++
 		label := fmt.Sprintf("%s_data_%d", f.Name, f.count.data)
-		value := t.Text()[1 : len(t.Bytes)-1]
-		f.assembler.Data[label] = []byte(value)
+		value := t.Bytes[1 : len(t.Bytes)-1]
+		f.assembler.SetData(label, value)
 		f.RegisterLabel(asm.MOVE, register, label)
 		return nil