diff --git a/bin/harbour-storeman-installer b/bin/harbour-storeman-installer
index b497e088..b5548ac7 100644
--- a/bin/harbour-storeman-installer
+++ b/bin/harbour-storeman-installer
@@ -1,4 +1,4 @@
-#!sh
+#!/bin/sh
 set -uFC  # "-u" (error when using uninitialised variables),
 # "-f" (disable pathname expansion) and "-C" (no-clobber / -overwrite).
 # Ultimately decided against "-e", because this script better runs through,
@@ -181,7 +181,7 @@ do
     setsid --fork sh -c '(i=0; while [ $i -le 9 ] && ps -eo pid | grep -Fq "$1"; do sleep 1; i=$(($i+1)); done; sleep 20;\
                         printf '\n%s\n' "$(date -Iseconds) [Self-removal] $2";\
                         systemd-cat -t "$3" -p 6 printf '%s\n' "[Info] Self-removal in 20 seconds: $2";\
-                        eval $2) &' sh_rm_storeman-installer "$mypid" "$logentry" "$called"
+                        eval $2)' sh_rm_storeman-installer "$mypid" "$logentry" "$called"
   fi
 done
 logentry="pkcon -pvy install harbour-storeman"