diff --git a/debian/maintainer_scripts/postinst b/debian/maintainer_scripts/postinst
index 80aed07e783a391076dfc60141b0af7deadeca6e..360b42d331790fd454e3c681e471fbeaf1cdc00c 100644
--- a/debian/maintainer_scripts/postinst
+++ b/debian/maintainer_scripts/postinst
@@ -1,2 +1,2 @@
 adduser --system cats-sdr-igate
-usermod -G plugdev -a cats-igate
+usermod -G plugdev -a cats-sdr-igate