diff --git a/swig/grgsm_swig.i b/swig/grgsm_swig.i
index ff6ec5c..ca987b8 100644
--- a/swig/grgsm_swig.i
+++ b/swig/grgsm_swig.i
@@ -22,6 +22,7 @@
 #include "grgsm/flow_control/burst_sdcch_subslot_filter.h"
 #include "grgsm/flow_control/burst_fnr_filter.h"
 #include "grgsm/flow_control/dummy_burst_filter.h"
+#include "grgsm/flow_control/uplink_downlink_splitter.h"
 #include "grgsm/misc_utils/bursts_printer.h"
 #include "grgsm/misc_utils/controlled_rotator_cc.h"
 #include "grgsm/misc_utils/extract_system_info.h"
@@ -38,7 +39,6 @@
 #include "grgsm/misc_utils/message_file_source.h"
 #include "grgsm/misc_utils/msg_to_tag.h"
 #include "grgsm/misc_utils/controlled_fractional_resampler_cc.h"
-#include "grgsm/uplink_downlink_filter.h"
 %}
 
 %include "grgsm/receiver/receiver.h"
@@ -73,6 +73,9 @@
 GR_SWIG_BLOCK_MAGIC2(gsm, burst_fnr_filter);
 %include "grgsm/flow_control/dummy_burst_filter.h"
 GR_SWIG_BLOCK_MAGIC2(gsm, dummy_burst_filter);
+%include "grgsm/flow_control/uplink_downlink_splitter.h"
+GR_SWIG_BLOCK_MAGIC2(grgsm, uplink_downlink_splitter);
+
 
 %include "grgsm/misc_utils/bursts_printer.h"
 GR_SWIG_BLOCK_MAGIC2(gsm, bursts_printer);
@@ -108,5 +111,3 @@
 GR_SWIG_BLOCK_MAGIC2(gsm, message_source);
 %include "grgsm/qa_utils/message_sink.h"
 GR_SWIG_BLOCK_MAGIC2(gsm, message_sink);
-%include "grgsm/uplink_downlink_filter.h"
-GR_SWIG_BLOCK_MAGIC2(grgsm, uplink_downlink_filter);