diff --git a/mCustomScrollbar/mCustomScrollbar-tests.ts b/mCustomScrollbar/mCustomScrollbar-tests.ts
index 983dc3a838..e2c43a119c 100644
--- a/mCustomScrollbar/mCustomScrollbar-tests.ts
+++ b/mCustomScrollbar/mCustomScrollbar-tests.ts
@@ -22,9 +22,9 @@ class SimpleTestAllParams {
         this.element = $(".content");
 
         this.element.mCustomScrollbar({
-            set_width: false,
-            set_height: false,
-            horizontalScroll: false,
+            setWidth: false,
+            setHeight: false,
+            axis: "y",
             scrollInertia: 950,
             mouseWheel: true,
             mouseWheelPixels: "auto",
@@ -39,7 +39,7 @@ class SimpleTestAllParams {
             advanced: {
                 updateOnBrowserResize: true,
                 updateOnContentResize: false,
-                autoExpandHorizontalScroll: false,
+                autoExpandscrollInertia: false,
                 autoScrollOnFocus: true,
                 normalizeMouseWheelDelta: false
             },
@@ -147,4 +147,4 @@ class DisableDestroyTest {
             });
         });
     }
-}
\ No newline at end of file
+}