diff --git a/src/openrct2/paint/Supports.cpp b/src/openrct2/paint/Supports.cpp
index 8e7d82da46..1da900e662 100644
--- a/src/openrct2/paint/Supports.cpp
+++ b/src/openrct2/paint/Supports.cpp
@@ -1540,6 +1540,7 @@ bool PathBSupportsPaintSetup(
     return false; // AND
 }
 
+constexpr uint8_t MetalSupportTypeCount = 13;
 constexpr MetalSupportType RotatedMetalSupports[MetalSupportTypeCount][NumOrthogonalDirections] = {
     { MetalSupportType::Tubes, MetalSupportType::Tubes, MetalSupportType::Tubes, MetalSupportType::Tubes },
     { MetalSupportType::Fork, MetalSupportType::ForkAlt, MetalSupportType::Fork, MetalSupportType::ForkAlt },
diff --git a/src/openrct2/paint/Supports.h b/src/openrct2/paint/Supports.h
index 7c040607dc..54ee612f1c 100644
--- a/src/openrct2/paint/Supports.h
+++ b/src/openrct2/paint/Supports.h
@@ -93,7 +93,6 @@ enum class MetalSupportType : uint8_t
      */
     BoxedCoated,
 };
-constexpr uint8_t MetalSupportTypeCount = 13;
 
 /**
  * Tiles are rendered at a 45 degree angle, with the corners on the top, bottom, left and right.