diff --git a/grc/gsm_block_tree.xml b/grc/gsm_block_tree.xml
index 0b15562..1dd81b7 100644
--- a/grc/gsm_block_tree.xml
+++ b/grc/gsm_block_tree.xml
@@ -59,6 +59,7 @@
       <block>gsm_extract_immediate_assignment</block>
       <block>gsm_controlled_rotator_cc</block>
       <block>gsm_controlled_const_source_f</block>
+      <block>gsm_controlled_fractional_resampler_cc</block>
       <block>gsm_message_printer</block>
       <block>gsm_clock_offset_corrector</block>
       <block>gsm_tmsi_dumper</block>
diff --git a/grc/misc_utils/CMakeLists.txt b/grc/misc_utils/CMakeLists.txt
index 99985a1..d042beb 100644
--- a/grc/misc_utils/CMakeLists.txt
+++ b/grc/misc_utils/CMakeLists.txt
@@ -29,5 +29,7 @@
     gsm_burst_file_sink.xml
     gsm_burst_file_source.xml
     gsm_message_file_sink.xml
-    gsm_message_file_source.xml DESTINATION share/gnuradio/grc/blocks
+    gsm_message_file_source.xml
+    gsm_msg_to_tag.xml
+    gsm_controlled_fractional_resampler_cc.xml DESTINATION share/gnuradio/grc/blocks
 )
diff --git a/grc/misc_utils/gsm_controlled_rotator_cc.xml b/grc/misc_utils/gsm_controlled_rotator_cc.xml
index 2d360cf..e280de9 100644
--- a/grc/misc_utils/gsm_controlled_rotator_cc.xml
+++ b/grc/misc_utils/gsm_controlled_rotator_cc.xml
@@ -27,6 +27,7 @@
   <sink>
     <name>phase_inc</name>
     <type>float</type>
+    <optional>1</optional>
   </sink>
   
   <source>