diff --git a/src/libslic3r/Support/SupportParameters.hpp b/src/libslic3r/Support/SupportParameters.hpp
index 82ced55094..304f3a23af 100644
--- a/src/libslic3r/Support/SupportParameters.hpp
+++ b/src/libslic3r/Support/SupportParameters.hpp
@@ -33,8 +33,13 @@ struct SupportParameters {
 	            this->num_top_base_interface_layers    = size_t(std::min(int(num_top_interface_layers) / 2, 2));
 	            this->num_bottom_base_interface_layers = size_t(std::min(int(num_bottom_interface_layers) / 2, 2));
 	        } else {
-	            this->num_top_base_interface_layers    = 0;
-	            this->num_bottom_base_interface_layers = 0;
+                // BBS: if support interface and support base do not use the same filament, add a base layer to improve their adhesion
+                // Note: support materials (such as Supp.W) can't be used as support base now, so support interface and base are still using different filaments even if
+                // support_filament==0
+                bool differnt_support_interface_filament = object_config.support_interface_filament != 0 &&
+                                                           object_config.support_interface_filament != object_config.support_filament;
+                this->num_top_base_interface_layers    = differnt_support_interface_filament ? 1 : 0;
+                this->num_bottom_base_interface_layers       = differnt_support_interface_filament ? 1 : 0;
 	        }
 	    }
         this->first_layer_flow = Slic3r::support_material_1st_layer_flow(&object, float(slicing_params.first_print_layer_height));