diff --git a/plugins/network/ath9k_ b/plugins/network/ath9k_
index 7c20207c..405b93c2 100755
--- a/plugins/network/ath9k_
+++ b/plugins/network/ath9k_
@@ -53,6 +53,10 @@ else
     python3 "$0" "$@"
 fi
 exit $?
+
+# For shell: ignore everything starting from here until the last line of this file.
+# This is necessary for syntax checkers that try to complain about invalid shell syntax below.
+true <<EOF
 """
 
 
@@ -450,3 +454,7 @@ if __name__ == "__main__":
     # output values
     for item in ath9k.get_values(get_scope()):
         print(item)
+
+# final marker for shell / python hybrid script (see "Interpreter Selection")
+EOF = True
+EOF