diff --git a/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp b/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
index 18710644fc..3f88d32819 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
@@ -7,6 +7,7 @@
 #include "libslic3r/Model.hpp"
 
 //#include "slic3r/GUI/3DScene.hpp"
+#include "libslic3r/MultipleBeds.hpp"
 #include "libslic3r/SupportSpotsGenerator.hpp"
 #include "libslic3r/TriangleSelectorWrapper.hpp"
 #include "slic3r/GUI/GLCanvas3D.hpp"
@@ -534,6 +535,14 @@ void GLGizmoFdmSupports::auto_generate()
         return;
     }
 
+    const auto first_instance_bed{s_multiple_beds.get_inst_map().find(mo->instances.front()->id())};
+    if (
+        first_instance_bed != s_multiple_beds.get_inst_map().end()
+        && s_multiple_beds.get_active_bed() != first_instance_bed->second
+    ) {
+        s_multiple_beds.set_active_bed(first_instance_bed->second);
+    }
+
     bool not_painted = std::all_of(mo->volumes.begin(), mo->volumes.end(), [](const ModelVolume* vol){
         return vol->type() != ModelVolumeType::MODEL_PART || vol->supported_facets.empty();
     });