2 files changed, 4 insertions, 0 deletions
diff --git a/src/main/java/org/shedlang/compiler/ast/untyped/UntypedBinaryOperator.java b/src/main/java/org/shedlang/compiler/ast/untyped/UntypedBinaryOperator.java
index d9327e1a..53e3cbd1 100644
--- a/src/main/java/org/shedlang/compiler/ast/untyped/UntypedBinaryOperator.java
+++ b/src/main/java/org/shedlang/compiler/ast/untyped/UntypedBinaryOperator.java
@@ -3,5 +3,6 @@ package org.shedlang.compiler.ast.untyped;
 public enum UntypedBinaryOperator {
     ADD,
     EQUALS,
+    NOT_EQUAL,
     SUB
 }
diff --git a/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java b/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java
index ca3d131a..89650a53 100644
--- a/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java
+++ b/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java
@@ -176,6 +176,9 @@ public class TypeChecker {
             case EQUALS ->
                 TypedBinaryOperator.INT_EQUALS;
 
+            case NOT_EQUAL ->
+                TypedBinaryOperator.INT_NOT_EQUAL;
+
             case SUB ->
                 TypedBinaryOperator.INT_SUB;
         };