diff --git a/himbaechel/arch.cc b/himbaechel/arch.cc
index 8da731f3c8..dccf285e29 100644
--- a/himbaechel/arch.cc
+++ b/himbaechel/arch.cc
@@ -525,7 +525,7 @@ std::vector<GraphicElement> Arch::getDecalGraphics(DecalId decal) const
         GroupId group(decal.tile, decal.index);
         Loc loc;
         tile_xy(chip_info, decal.tile, loc.x, loc.y);
-        uarch->drawGroup(ret, getGroupType(group), loc);
+        uarch->drawGroup(ret, group, loc);
     } else if (decal.type == DecalId::TYPE_BEL) {
         BelId bel(decal.tile, decal.index);
         GraphicElement::style_t style = decal.active ? GraphicElement::STYLE_ACTIVE : GraphicElement::STYLE_INACTIVE;
diff --git a/himbaechel/himbaechel_api.h b/himbaechel/himbaechel_api.h
index f64c138c6d..4f6f210130 100644
--- a/himbaechel/himbaechel_api.h
+++ b/himbaechel/himbaechel_api.h
@@ -115,7 +115,7 @@ struct HimbaechelAPI
     virtual void drawPip(std::vector<GraphicElement> &g, GraphicElement::style_t style, Loc loc, WireId src,
                          IdString src_type, int32_t src_id, WireId dst, IdString dst_type, int32_t dst_id) {};
 
-    virtual void drawGroup(std::vector<GraphicElement> &g, IdString group_type, Loc loc) {};
+    virtual void drawGroup(std::vector<GraphicElement> &g, GroupId group, Loc loc) {};
 
     // Routing methods
     virtual void expandBoundingBox(BoundingBox &bb) const;
diff --git a/himbaechel/uarch/example/example.cc b/himbaechel/uarch/example/example.cc
index 6a51fc464c..cfb2a0b933 100644
--- a/himbaechel/uarch/example/example.cc
+++ b/himbaechel/uarch/example/example.cc
@@ -139,8 +139,9 @@ struct ExampleImpl : HimbaechelAPI
         return true;
     }
 
-    void drawGroup(std::vector<GraphicElement> &g, IdString group_type, Loc loc) override
+    void drawGroup(std::vector<GraphicElement> &g, GroupId group, Loc loc) override
     {
+        IdString group_type = ctx->getGroupType(group);
         if (group_type == id_SWITCHBOX) {
             GraphicElement el;
             el.type = GraphicElement::TYPE_BOX;