diff --git a/src/parse.c b/src/parse.c
index fc3bdc5..fdafa3d 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -32,7 +32,9 @@ void parse_worker(struct Args *args, char *arg_position,
     }
     return;
   } else if (isspace(line[0])) {
-    add_arg(args, arg_position, arg_length);
+    if (arg_length != 0) {
+      add_arg(args, arg_position, arg_length);
+    }
     while (line[0] != '\n' && isspace(line[0])) {
       line++;
     }