diff --git a/grc/qa_utils/CMakeLists.txt b/grc/qa_utils/CMakeLists.txt
index 1f57aa1..2ed15a1 100644
--- a/grc/qa_utils/CMakeLists.txt
+++ b/grc/qa_utils/CMakeLists.txt
@@ -18,8 +18,9 @@
 # Boston, MA 02110-1301, USA.
 
 install(FILES
-    gsm_burst_source.xml
-    gsm_burst_sink.xml
-    gsm_message_source.xml
-    gsm_message_sink.xml DESTINATION share/gnuradio/grc/blocks
+    gsm_burst_source.block.xml
+    gsm_burst_sink.block.xml
+    gsm_message_source.block.xml
+    gsm_message_sink.block.xml
+    DESTINATION share/gnuradio/grc/blocks
 )