diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp
index 60ad14b..3909cb8 100644
--- a/cmds/installd/otapreopt.cpp
+++ b/cmds/installd/otapreopt.cpp
@@ -621,7 +621,7 @@
             }
         }
 
-        if (param_index != 12) {
+        if (param_index != 13) {
             LOG(ERROR) << "Not enough parameters";
             return false;
         }