diff --git a/src/common/SkinColors.cpp b/src/common/SkinColors.cpp
index 614a0279c64..ba010b9f9fa 100644
--- a/src/common/SkinColors.cpp
+++ b/src/common/SkinColors.cpp
@@ -284,9 +284,9 @@ const Surge::Skin::Color Background("modbutton.armed.fill", 0x74AC48),
 namespace Macro
 {
 const Surge::Skin::Color Background("modbutton.macro.slider.background", 0x205DB0),
+    Border("modbutton.macro.slider.border", 0x123463),
     Fill("modbutton.macro.slider.fill", 0x2E86FE),
     CurrentValue("modbutton.macro.slider.currentvalue", 0xFF9000);
-
 }
 } // namespace ModSource
 
diff --git a/src/common/SkinColors.h b/src/common/SkinColors.h
index e1c160c34b8..62807a089bc 100644
--- a/src/common/SkinColors.h
+++ b/src/common/SkinColors.h
@@ -214,7 +214,7 @@ extern const Surge::Skin::Color Background, Border, BorderHover, Text, TextHover
 }
 namespace Macro
 {
-extern const Surge::Skin::Color Background, Fill, CurrentValue;
+extern const Surge::Skin::Color Background, Border, Fill, CurrentValue;
 }
 } // namespace ModSource
 
diff --git a/src/surge-xt/gui/widgets/ModulationSourceButton.cpp b/src/surge-xt/gui/widgets/ModulationSourceButton.cpp
index be3359ae06a..320560b2628 100644
--- a/src/surge-xt/gui/widgets/ModulationSourceButton.cpp
+++ b/src/surge-xt/gui/widgets/ModulationSourceButton.cpp
@@ -206,7 +206,7 @@ void ModulationSourceButton::paint(juce::Graphics &g)
         g.fillRect(valRect);
 
         // macro slider frame
-        g.setColour(skin->getColor(Colors::ModSource::Used::Background));
+        g.setColour(skin->getColor(Colors::ModSource::Macro::Border));
         g.drawRect(bottomRect);
 
         if (isBipolar)