diff --git a/grc/demapping/gsm_get_bcch_or_ccch_bursts.xml b/grc/demapping/gsm_get_bcch_or_ccch_bursts.xml
index 1e1b881..cbc61a7 100644
--- a/grc/demapping/gsm_get_bcch_or_ccch_bursts.xml
+++ b/grc/demapping/gsm_get_bcch_or_ccch_bursts.xml
@@ -2,8 +2,8 @@
 <block>
   <name>Demapper for BCCH and CCCH</name>
   <key>gsm_get_bcch_or_ccch_bursts</key>
-  <import>import gsm</import>
-  <make>gsm.get_bcch_or_ccch_bursts($d_fn51_start)</make>
+  <import>import grgsm</import>
+  <make>grgsm.get_bcch_or_ccch_bursts($d_fn51_start)</make>
   <param>
     <name>d_fn51_start</name>
     <key>d_fn51_start</key>
diff --git a/grc/demapping/gsm_universal_ctrl_chans_demapper.xml b/grc/demapping/gsm_universal_ctrl_chans_demapper.xml
index 48b0f83..52f12d6 100644
--- a/grc/demapping/gsm_universal_ctrl_chans_demapper.xml
+++ b/grc/demapping/gsm_universal_ctrl_chans_demapper.xml
@@ -2,8 +2,8 @@
 <block>
   <name>Universal ctrl chans demapper</name>
   <key>gsm_universal_ctrl_chans_demapper</key>
-  <import>import gsm</import>
-  <make>gsm.universal_ctrl_chans_demapper($starts_fn_mod51, $channel_types)</make>
+  <import>import grgsm</import>
+  <make>grgsm.universal_ctrl_chans_demapper($starts_fn_mod51, $channel_types)</make>
 
   <param>
     <name>starts_fn_mod51</name>