diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 4cb274a50..df1a42a19 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -795,7 +795,7 @@ void Sidebar::show_button(ButtonAction but_action, bool show)
 
 bool Sidebar::is_multifilament()
 {
-    return p->combos_filament.size() > 0;
+    return p->combos_filament.size() > 1;
 }