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-rw-r--r--gr-blocks/grc/blocks_vector_source_x.xml1
1 files changed, 1 insertions, 0 deletions
diff --git a/gr-blocks/grc/blocks_vector_source_x.xml b/gr-blocks/grc/blocks_vector_source_x.xml
index 6de3f5b184..c8714978ae 100644
--- a/gr-blocks/grc/blocks_vector_source_x.xml
+++ b/gr-blocks/grc/blocks_vector_source_x.xml
@@ -9,6 +9,7 @@
<key>blocks_vector_source_x</key>
<import>from gnuradio import blocks</import>
<make>blocks.vector_source_$(type.fcn)($vector, $repeat, $vlen, $tags)</make>
+ <callback>set_data($vector)</callback>
<param>
<name>Output Type</name>
<key>type</key>