diff --git a/src/helpers/get-config.ts b/src/helpers/get-config.ts
index 16db34d2..74459c1d 100644
--- a/src/helpers/get-config.ts
+++ b/src/helpers/get-config.ts
@@ -16,6 +16,7 @@ const defaultSearchPlaces = (moduleName: string) => [
 ];
 
 export function loadDefaults(): ConfigOpts {
+  // @ts-ignore
   return safeLoad(
     readFileSync(require.resolve('../config/default.yml'), {
       encoding: 'utf8',
diff --git a/src/resolvers/property-sort-order.ts b/src/resolvers/property-sort-order.ts
index f7850b5d..ab8816e3 100644
--- a/src/resolvers/property-sort-order.ts
+++ b/src/resolvers/property-sort-order.ts
@@ -23,7 +23,7 @@ export default class PropertySortOrder extends BaseResolver {
       const collectedDecl: SortNode[] = [];
       const matchingIndices: number[] = [];
       block.forEach('declaration', (declaration: Node, index: number) => {
-        const prop = declaration.first('property');
+        const prop = declaration.first('property') || declaration.first('customProperty');
         if (prop) {
           let nodeContainingName = prop.first('ident');
 
diff --git a/test/sass/property-sort-order.sass b/test/sass/property-sort-order.sass
index 892590b1..ae98c3ac 100644
--- a/test/sass/property-sort-order.sass
+++ b/test/sass/property-sort-order.sass
@@ -61,3 +61,8 @@
 .disable-line-test
   display: block
   border: none // sass-lint:disable-line border-zero
+
+.css-vars
+  --baz: 3px
+  background: #111
+  --bar: 1px
diff --git a/test/sass/property-sort-order.scss b/test/sass/property-sort-order.scss
index 52a09f14..c3a29a4c 100644
--- a/test/sass/property-sort-order.scss
+++ b/test/sass/property-sort-order.scss
@@ -74,3 +74,9 @@
 }
 
 .empty-block-does-not-throw {}
+
+.css-vars {
+  --baz: 3px;
+  background: #111;
+  --bar: 1px;
+}
diff --git a/test/src/resolvers/property-sort-order.ts b/test/src/resolvers/property-sort-order.ts
index 6a3449a7..4cd6edd6 100644
--- a/test/src/resolvers/property-sort-order.ts
+++ b/test/src/resolvers/property-sort-order.ts
@@ -17,7 +17,7 @@ describe('property-sort-order', () => {
         const preResolve = lint(filename, options);
         const postResolve = detect(ast.toString(), ValidFileType.scss, options);
 
-        expect(preResolve.warningCount).toBe(21);
+        expect(preResolve.warningCount).toBe(24);
         expect(postResolve.warningCount).toBe(0);
       });
 
@@ -62,7 +62,7 @@ describe('property-sort-order', () => {
         const preResolve = lint(filename, options);
         const postResolve = detect(ast.toString(), ValidFileType.scss, options);
 
-        expect(preResolve.warningCount).toBe(12);
+        expect(preResolve.warningCount).toBe(13);
         expect(postResolve.warningCount).toBe(0);
       });
     });
@@ -83,7 +83,7 @@ describe('property-sort-order', () => {
         const preResolve = lint(filename, options);
         const postResolve = detect(ast.toString(), ValidFileType.scss, options);
 
-        expect(preResolve.warningCount).toBe(12);
+        expect(preResolve.warningCount).toBe(13);
         expect(postResolve.warningCount).toBe(0);
       });
     });
@@ -137,7 +137,7 @@ describe('property-sort-order', () => {
 
         const preResolve = lint(filename, options);
         const postResolve = detect(ast.toString(), ValidFileType.sass, options);
-        expect(preResolve.warningCount).toBe(17);
+        expect(preResolve.warningCount).toBe(20);
         expect(postResolve.warningCount).toBe(0);
       });
 
@@ -180,7 +180,7 @@ describe('property-sort-order', () => {
         const preResolve = lint(filename, options);
         const postResolve = detect(ast.toString(), ValidFileType.sass, options);
 
-        expect(preResolve.warningCount).toBe(16);
+        expect(preResolve.warningCount).toBe(17);
         expect(postResolve.warningCount).toBe(0);
       });
     });
@@ -201,7 +201,7 @@ describe('property-sort-order', () => {
         const preResolve = lint(filename, options);
         const postResolve = detect(ast.toString(), ValidFileType.sass, options);
 
-        expect(preResolve.warningCount).toBe(16);
+        expect(preResolve.warningCount).toBe(17);
         expect(postResolve.warningCount).toBe(0);
       });
     });