diff --git a/scss/_buttons.scss b/scss/_buttons.scss
index caa4518ac8fc..753b9526255e 100644
--- a/scss/_buttons.scss
+++ b/scss/_buttons.scss
@@ -114,7 +114,7 @@
   fieldset:disabled & {
     color: var(--#{$prefix}btn-disabled-color);
     pointer-events: none;
-    background-color: var(--#{$prefix}btn-disabled-bg);
+    background-color: var(--#{$prefix}btn-disabled-solid-bg, var(--#{$prefix}btn-disabled-bg));
     background-image: if($enable-gradients, none, null);
     border-color: var(--#{$prefix}btn-disabled-border-color);
     opacity: var(--#{$prefix}btn-disabled-opacity);