diff --git a/packaging/RPMS/Fedora/rabbitmq-server.spec b/packaging/RPMS/Fedora/rabbitmq-server.spec
index 6e86282d89..ae9831c24e 100644
--- a/packaging/RPMS/Fedora/rabbitmq-server.spec
+++ b/packaging/RPMS/Fedora/rabbitmq-server.spec
@@ -140,7 +140,7 @@ fi
 chmod -R o-rwx,g-w %{_localstatedir}/lib/rabbitmq/mnesia
 
 # Update profile to enable autocompletion
-source /etc/profile
+. /etc/profile
 
 %preun
 if [ $1 = 0 ]; then
diff --git a/packaging/debs/Debian/debian/postinst b/packaging/debs/Debian/debian/postinst
index 46f923c63a..bd3475f279 100644
--- a/packaging/debs/Debian/debian/postinst
+++ b/packaging/debs/Debian/debian/postinst
@@ -36,7 +36,7 @@ chmod 750 /var/lib/rabbitmq/mnesia
 chmod -R o-rwx,g-w /var/lib/rabbitmq/mnesia
 
 # Update profile to enable autocompletion
-source /etc/profile
+. /etc/profile
 
 case "$1" in
     configure)