diff --git a/packages/sqltree/src/evaluateCondition.ts b/packages/sqltree/src/evaluateCondition.ts
index 456ca09d..944c3ef8 100644
--- a/packages/sqltree/src/evaluateCondition.ts
+++ b/packages/sqltree/src/evaluateCondition.ts
@@ -28,6 +28,7 @@ export function evaluateCondition(condition: Condition, values) {
         case '=':
           return left == right;
         case '!=':
+        case '<>':
           return left != right;
         case '<=':
           return left <= right;
diff --git a/packages/sqltree/src/types.ts b/packages/sqltree/src/types.ts
index b9c58dda..44f80b82 100644
--- a/packages/sqltree/src/types.ts
+++ b/packages/sqltree/src/types.ts
@@ -58,7 +58,7 @@ export interface UnaryCondition {
 
 export interface BinaryCondition {
   conditionType: 'binary';
-  operator: '=' | '!=' | '<' | '>' | '>=' | '<=';
+  operator: '=' | '!=' | '<>' | '<' | '>' | '>=' | '<=';
   left: Expression;
   right: Expression;
 }