diff --git a/src/main/java/de/maishai/ast/UnaryOperator.java b/src/main/java/de/maishai/ast/UnaryOperator.java
new file mode 100644
index 0000000..cfa42dd
--- /dev/null
+++ b/src/main/java/de/maishai/ast/UnaryOperator.java
@@ -0,0 +1,6 @@
+package de.maishai.ast;
+
+public enum UnaryOperator {
+    SUB,
+    NOT
+}
diff --git a/src/main/java/de/maishai/ast/records/Unary.java b/src/main/java/de/maishai/ast/records/Unary.java
new file mode 100644
index 0000000..aa1300f
--- /dev/null
+++ b/src/main/java/de/maishai/ast/records/Unary.java
@@ -0,0 +1,7 @@
+package de.maishai.ast.records;
+
+
+import de.maishai.ast.UnaryOperator;
+
+public record Unary(UnaryOperator op, Expression right) implements Expression {
+}