diff --git a/startup.sh b/startup.sh
index ff25965..7fef9f7 100755
--- a/startup.sh
+++ b/startup.sh
@@ -2,6 +2,12 @@
 # shellcheck disable=SC2154
 set -eo pipefail
 
+# Cancel execution of system-wide punktdateien-bashrc if user-wide installation is detected
+if [ -n "${BASHRCD_SYSTEM}" ] && [ -d "${HOME}/.bashrc.d" ] && [ -f "${HOME}/.bashrc.d/startup.sh" ]; then
+	set +eo pipefail
+	exit 0
+fi
+
 # Define variables
 export "BASHRCD_FALLBACK=exec env --ignore-environment bash --norc --noprofile"