diff --git a/content/posts/2021-05.md b/content/posts/2021-05.md
index 549d86acd..8c516dd11 100644
--- a/content/posts/2021-05.md
+++ b/content/posts/2021-05.md
@@ -401,7 +401,7 @@ localhost/dspace63= > \COPY (SELECT DISTINCT text_value, count(*) FROM metadatav
 COPY 5000
 $ csvcut -c 1 /tmp/2021-05-20-agrovoc.csv| sed 1d > /tmp/2021-05-20-agrovoc.txt
 $ ./ilri/agrovoc-lookup.py -i /tmp/2021-05-20-agrovoc.txt -o /tmp/2021-05-20-agrovoc-results.csv
-$ csvgrep -c "number of matches" -m 0 /tmp/2021-05-20-agrovoc-results.csv > /tmp/2021-05-20-agrovoc-rejected.csv
+$ csvgrep -c "number of matches" -r '^0$' /tmp/2021-05-20-agrovoc-results.csv > /tmp/2021-05-20-agrovoc-rejected.csv
 ```
 
 - Meeting with Medha and Pythagoras about the FAIR Workflow tool