diff --git a/src/pstore/pstore.c b/src/pstore/pstore.c
index 0c4e2f08a3..60519e117e 100644
--- a/src/pstore/pstore.c
+++ b/src/pstore/pstore.c
@@ -361,6 +361,10 @@ static int run(int argc, char *argv[]) {
 
         log_open();
 
+        if (argc > 1)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "This program takes no arguments.");
+
         /* Ignore all parse errors */
         (void) parse_config();