diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index ab05f61099..5adbd2a1c1 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -2578,6 +2578,8 @@ scale {
   }
 
   marks { color: gtkalpha(currentColor, 0.4); }
+  &.horizontal marks { min-height: 8px; }
+  &.vertical marks { min-width: 8px; }
 
   // *WARNING* scale with marks madness following
 
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index a188252b12..f56f6b50ee 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -2757,6 +2757,10 @@ scale {
         -gtk-icon-shadow: none; }
   scale marks {
     color: alpha(currentColor,0.4); }
+  scale.horizontal marks {
+    min-height: 8px; }
+  scale.vertical marks {
+    min-width: 8px; }
   scale.color.horizontal trough > trough > slider, scale.horizontal contents:last-child:not(:only-child) > trough > slider {
     margin: -9px;
     border-style: none;
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 4f5ff5e09c..3662aff95c 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -2788,6 +2788,10 @@ scale {
         -gtk-icon-shadow: none; }
   scale marks {
     color: alpha(currentColor,0.4); }
+  scale.horizontal marks {
+    min-height: 8px; }
+  scale.vertical marks {
+    min-width: 8px; }
   scale.color.horizontal trough > trough > slider, scale.horizontal contents:last-child:not(:only-child) > trough > slider {
     margin: -9px;
     border-style: none;