diff --git a/addons/web/static/src/core/domain_selector/domain_selector.js b/addons/web/static/src/core/domain_selector/domain_selector.js
index f45d43f8f3a..a7e496f5ae6 100644
--- a/addons/web/static/src/core/domain_selector/domain_selector.js
+++ b/addons/web/static/src/core/domain_selector/domain_selector.js
@@ -192,7 +192,7 @@ export class DomainSelector extends Component {
         const pathInfo = { path, fieldDef };
         node.pathInfo = pathInfo;
         node.operatorInfo = getOperatorsInfo(pathInfo.fieldDef)[0];
-        node.value = getDefaultFieldValue(pathInfo.fieldDef);
+        node.value = getDefaultFieldValue(pathInfo.fieldDef, node.operatorInfo.key);
         this.notifyChanges();
     }
 
@@ -213,12 +213,18 @@ export class DomainSelector extends Component {
                 }
                 // binary operator with a non array value
                 case 1: {
-                    node.value = getDefaultFieldValue(node.pathInfo.fieldDef);
+                    node.value = getDefaultFieldValue(
+                        node.pathInfo.fieldDef,
+                        node.operatorInfo.key
+                    );
                     break;
                 }
                 // binary operator with a fixed sized array value
                 default: {
-                    const defaultValue = getDefaultFieldValue(node.pathInfo.fieldDef);
+                    const defaultValue = getDefaultFieldValue(
+                        node.pathInfo.fieldDef,
+                        node.operatorInfo.key
+                    );
                     node.value = Array(node.operatorInfo.valueCount).fill(defaultValue);
                     break;
                 }
@@ -237,7 +243,10 @@ export class DomainSelector extends Component {
     }
 
     removeExprValue(node) {
-        this.updateLeafValue(node, getDefaultFieldValue(node.pathInfo.fieldDef));
+        this.updateLeafValue(
+            node,
+            getDefaultFieldValue(node.pathInfo.fieldDef, node.operatorInfo.key)
+        );
     }
 
     onDebugValueChange(value) {
diff --git a/addons/web/static/src/core/domain_selector/domain_selector_fields.js b/addons/web/static/src/core/domain_selector/domain_selector_fields.js
index 723d3e8deb1..9447f36189d 100644
--- a/addons/web/static/src/core/domain_selector/domain_selector_fields.js
+++ b/addons/web/static/src/core/domain_selector/domain_selector_fields.js
@@ -388,12 +388,12 @@ export function getOperatorsInfo(fieldDef) {
     return selectOperators(descr.operators);
 }
 
-export function getDefaultFieldValue(fieldDef) {
+export function getDefaultFieldValue(fieldDef, operatorKey) {
     const descr = getFieldInfo(fieldDef);
-    return descr.defaultValue(fieldDef);
+    return descr.defaultValue(fieldDef, operatorKey);
 }
 
 export function getDefaultOperator(fieldDef) {
     const [firstOperator] = getOperatorsInfo(fieldDef);
-    return firstOperator.symbol;
+    return firstOperator;
 }
diff --git a/addons/web/static/src/core/domain_selector/utils.js b/addons/web/static/src/core/domain_selector/utils.js
index cf3cfa17847..8c726a22920 100644
--- a/addons/web/static/src/core/domain_selector/utils.js
+++ b/addons/web/static/src/core/domain_selector/utils.js
@@ -49,8 +49,8 @@ function getDefaultDomain(fieldDefs) {
         fieldDef = fieldDefs[name];
         if (fieldDef) {
             const operator = getDefaultOperator(fieldDef);
-            const defaultValue = getDefaultFieldValue(fieldDef);
-            return new Domain([[fieldDef.name, operator, defaultValue]]).toString();
+            const defaultValue = getDefaultFieldValue(fieldDef, operator.key);
+            return new Domain([[fieldDef.name, operator.symbol, defaultValue]]).toString();
         }
     }
     return new Domain([["id", "=", 1]]).toString();