diff --git a/dotcms-postman/src/main/resources/postman/GraphQLTests.json b/dotcms-postman/src/main/resources/postman/GraphQLTests.json
index 5369b0adefb..04b37a9c021 100644
--- a/dotcms-postman/src/main/resources/postman/GraphQLTests.json
+++ b/dotcms-postman/src/main/resources/postman/GraphQLTests.json
@@ -14878,9 +14878,13 @@
 					"            throw new Error('Could not resolve default language: HTTP ' + response.code);",
 					"        }",
 					"        const body = response.json();",
-					"        const id = body && body.entity && body.entity.id;",
-					"        if (!id) {",
-					"            throw new Error('Could not resolve default language: entity.id missing in response');",
+					"        let id = body && body.entity && body.entity.id;",
+					"        if (!id || id <= 0) {",
+					"            // _getdefault can return the LANG__404 sentinel (id=-1) in fresh",
+					"            // test environments. Fall back to English (id=1), which is always",
+					"            // present in dotCMS starter data. See issue #35780.",
+					"            console.log('Default language returned invalid id (' + id + '), falling back to English (id=1)');",
+					"            id = 1;",
 					"        }",
 					"        pm.environment.set('defaultLanguageId', id);",
 					"        console.log('defaultLanguageId = ' + id);",
diff --git a/dotcms-postman/src/main/resources/postman/Workflow_Resource_Tests.json b/dotcms-postman/src/main/resources/postman/Workflow_Resource_Tests.json
index f06e1a4722c..1f10295ecb8 100644
--- a/dotcms-postman/src/main/resources/postman/Workflow_Resource_Tests.json
+++ b/dotcms-postman/src/main/resources/postman/Workflow_Resource_Tests.json
@@ -19851,9 +19851,13 @@
 					"            throw new Error('Could not resolve default language: HTTP ' + response.code);",
 					"        }",
 					"        const body = response.json();",
-					"        const id = body && body.entity && body.entity.id;",
-					"        if (!id) {",
-					"            throw new Error('Could not resolve default language: entity.id missing in response');",
+					"        let id = body && body.entity && body.entity.id;",
+					"        if (!id || id <= 0) {",
+					"            // _getdefault can return the LANG__404 sentinel (id=-1) in fresh",
+					"            // test environments. Fall back to English (id=1), which is always",
+					"            // present in dotCMS starter data. See issue #35780.",
+					"            console.log('Default language returned invalid id (' + id + '), falling back to English (id=1)');",
+					"            id = 1;",
 					"        }",
 					"        pm.environment.set('defaultLanguageId', id);",
 					"        console.log('defaultLanguageId = ' + id);",