diff --git a/roles/node_exporter/files/node-exporter-run-textfile-collector.sh b/roles/node_exporter/files/node-exporter-run-textfile-collector.sh
index 97dd14c..dbc3c68 100755
--- a/roles/node_exporter/files/node-exporter-run-textfile-collector.sh
+++ b/roles/node_exporter/files/node-exporter-run-textfile-collector.sh
@@ -28,7 +28,7 @@ fi
 for script in /usr/local/libexec/node-exporter/*; do
     [ -x "$script" ] || continue
     "$VERBOSE" && echo "Processing script '${script}'"
-    target="${OUTDIR}/$(basename "$script")"
+    target="${OUTDIR}/$(basename "$script").prom"
     tmpfile="$(mktemp -p "$OUTDIR")"
     if "$script" > "$tmpfile" ; then
         "$VERBOSE" && echo "  Success, updating stats"