diff --git a/src/libslic3r/Print.cpp b/src/libslic3r/Print.cpp
index 9114b4c5f..b4a2a1b3e 100644
--- a/src/libslic3r/Print.cpp
+++ b/src/libslic3r/Print.cpp
@@ -613,8 +613,12 @@ Print::ApplyStatus Print::apply(const Model &model, DynamicPrintConfig new_full_
 		m_placeholder_parser.set("print_preset",    new_full_config.option("print_settings_id")->clone());
 		m_placeholder_parser.set("filament_preset", new_full_config.option("filament_settings_id")->clone());
 		m_placeholder_parser.set("printer_preset",  new_full_config.option("printer_settings_id")->clone());
+		// We want the filament overrides to be applied over their respective extruder parameters by the PlaceholderParser.
+		// see "Placeholders do not respect filament overrides." GH issue #3649
+		m_placeholder_parser.apply_config(filament_overrides);
 	    // It is also safe to change m_config now after this->invalidate_state_by_config_options() call.
 	    m_config.apply_only(new_full_config, print_diff, true);
+	    //FIXME use move semantics once ConfigBase supports it.
 	    m_config.apply(filament_overrides);
 	    // Handle changes to object config defaults
 	    m_default_object_config.apply_only(new_full_config, object_diff, true);