diff --git a/themes/Default/common-dark.css b/themes/Default/common-dark.css
index 7f6f488bef..b47cabc8b6 100644
--- a/themes/Default/common-dark.css
+++ b/themes/Default/common-dark.css
@@ -33,3 +33,12 @@ button:not(.flat) {
 button:not(.flat):hover {
   box-shadow: none;
 }
+
+/* Define GimpSpinScale slider colors */
+GimpSpinScale entry {
+  background-color: @widget-bg-color;
+}
+
+GimpSpinScale entry progress {
+  background-color:   @hover-color;
+}
\ No newline at end of file
diff --git a/themes/Default/common-light.css b/themes/Default/common-light.css
index a3110a2d04..a16892d011 100644
--- a/themes/Default/common-light.css
+++ b/themes/Default/common-light.css
@@ -30,12 +30,3 @@ paned.vertical > separator {
 button:not(.flat) {
   box-shadow: 0 1px @extreme-bg-color inset;
 }
-
-/* Define GimpSpinScale slider colors */
-GimpSpinScale entry {
-  background-color: @extreme-bg-color;
-}
-
-GimpSpinScale entry progress {
-  background-color: @widget-bg-color;
-}
diff --git a/themes/Default/common.css b/themes/Default/common.css
index d532e67caf..7bfd4640ba 100644
--- a/themes/Default/common.css
+++ b/themes/Default/common.css
@@ -506,16 +506,16 @@ GimpSpinScale {
 }
 
 GimpSpinScale entry {
-  padding:            0px 8px 0px 5px;
-  background-color:   @stronger-border-color;
+  background-color:   @extreme-bg-color;
   border-color:       @edge-border-color;
   border-radius:      5px 0px 0px 5px;
   border-right-width: 0px;
   box-shadow:         none;
+  padding:            0px 8px 0px 5px;
 }
 
 GimpSpinScale entry progress {
-  background-color: @extreme-bg-color;
+  background-color: @widget-bg-color;
   background-image: none;
   border-width:     0px;
   border-radius:    3px 0px 0px 3px;