diff --git a/com.io7m.jsycamore.theme.primal/src/main/java/com/io7m/jsycamore/theme/primal/internal/SyPrimalScrollbarHButton.java b/com.io7m.jsycamore.theme.primal/src/main/java/com/io7m/jsycamore/theme/primal/internal/SyPrimalScrollbarHButton.java
index 47b701d0..005b480b 100644
--- a/com.io7m.jsycamore.theme.primal/src/main/java/com/io7m/jsycamore/theme/primal/internal/SyPrimalScrollbarHButton.java
+++ b/com.io7m.jsycamore.theme.primal/src/main/java/com/io7m/jsycamore/theme/primal/internal/SyPrimalScrollbarHButton.java
@@ -54,7 +54,7 @@ public Optional<PAreaSizeI<SySpaceParentRelativeType>> size(
     final SyThemeContextType context,
     final SyComponentReadableType component)
   {
-    return Optional.of(PAreaSizeI.of(24, 24));
+    return Optional.of(PAreaSizeI.of(16, 16));
   }
 
   @Override