diff --git a/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/AsmMethodSource.java b/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/AsmMethodSource.java
index 3c84cbaa119..adee45052ad 100644
--- a/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/AsmMethodSource.java
+++ b/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/AsmMethodSource.java
@@ -291,9 +291,14 @@ void setStmt(@Nonnull AbstractInsnNode insn, @Nonnull Stmt stmt) {
 
   @Nonnull
   Local newStackLocal() {
+    return newStackLocal(UnknownType.getInstance());
+  }
+
+  @Nonnull
+  Local newStackLocal(Type type) {
     int idx = nextLocal++;
     JavaLocal l =
-        JavaJimple.newLocal("$stack" + idx, UnknownType.getInstance(), Collections.emptyList());
+            JavaJimple.newLocal("$stack" + idx, type, Collections.emptyList());
     locals.set(idx, l);
     return l;
   }
diff --git a/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/Operand.java b/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/Operand.java
index 5f185ce9224..a2ef2b58853 100644
--- a/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/Operand.java
+++ b/sootup.java.bytecode/src/main/java/sootup/java/bytecode/frontend/Operand.java
@@ -67,7 +67,7 @@ class Operand {
 
   Local getOrAssignValueToStackLocal() {
     if (stackLocal == null) {
-      changeStackLocal(methodSource.newStackLocal());
+      changeStackLocal(methodSource.newStackLocal(value.getType()));
     }
 
     return stackLocal;