diff --git a/lib/rules/property-no-unknown/__tests__/index.js b/lib/rules/property-no-unknown/__tests__/index.js
index 1071aaa1fa..62736625b1 100644
--- a/lib/rules/property-no-unknown/__tests__/index.js
+++ b/lib/rules/property-no-unknown/__tests__/index.js
@@ -46,30 +46,40 @@ testRule({
 			message: messages.rejected('colr'),
 			line: 1,
 			column: 8,
+			endLine: 1,
+			endColumn: 12,
 		},
 		{
 			code: '.foo { COLR: blue; }',
 			message: messages.rejected('COLR'),
 			line: 1,
 			column: 8,
+			endLine: 1,
+			endColumn: 12,
 		},
 		{
 			code: '.foo {\n  colr: blue;\n}',
 			message: messages.rejected('colr'),
 			line: 2,
 			column: 3,
+			endLine: 2,
+			endColumn: 7,
 		},
 		{
 			code: '.foo { *wdth: 100px; }',
 			message: messages.rejected('wdth'),
 			line: 1,
 			column: 8,
+			endLine: 1,
+			endColumn: 12,
 		},
 		{
 			code: ':export { my-property: red; }',
 			message: messages.rejected('my-property'),
 			line: 1,
 			column: 11,
+			endLine: 1,
+			endColumn: 22,
 		},
 	],
 });
diff --git a/lib/rules/property-no-unknown/index.js b/lib/rules/property-no-unknown/index.js
index 094ec2c780..5acc46b626 100644
--- a/lib/rules/property-no-unknown/index.js
+++ b/lib/rules/property-no-unknown/index.js
@@ -107,6 +107,7 @@ const rule = (primary, secondaryOptions) => {
 				node: decl,
 				result,
 				ruleName,
+				word: prop,
 			});
 		}
 	};