diff --git a/examples/yt-wsp.sh b/examples/yt-wsp.sh
index 835508cca..0393e9974 100755
--- a/examples/yt-wsp.sh
+++ b/examples/yt-wsp.sh
@@ -39,7 +39,11 @@
 set -Eeuo pipefail
 
 # get script file location
-SCRIPT_PATH="$(realpath -e ${BASH_SOURCE[0]})";
+if [ -x "$(command -v realpath)" ]; then
+    SCRIPT_PATH="$(realpath "${BASH_SOURCE[0]}")"
+else
+    SCRIPT_PATH="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd -P)/$(basename -- "${BASH_SOURCE[0]}")"
+fi
 SCRIPT_DIR="${SCRIPT_PATH%/*}"
 
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