diff --git a/cmds/installd/commands.h b/cmds/installd/commands.h
index c0c39c5..e990f1b 100644
--- a/cmds/installd/commands.h
+++ b/cmds/installd/commands.h
@@ -28,6 +28,8 @@
 namespace android {
 namespace installd {
 
+static constexpr size_t DEXOPT_PARAM_COUNT = 10U;
+
 int create_app_data(const char *uuid, const char *pkgname, userid_t userid, int flags,
         appid_t appid, const char* seinfo, int target_sdk_version);
 int restorecon_app_data(const char* uuid, const char* pkgName, userid_t userid, int flags,
@@ -69,7 +71,7 @@
 static_assert(DEXOPT_PARAM_COUNT == 10U, "Unexpected dexopt param size");
 
 // Helper for the above, converting arguments.
-int dexopt(const char* params[DEXOPT_PARAM_COUNT]);
+int dexopt(const char* const params[DEXOPT_PARAM_COUNT]);
 
 int mark_boot_complete(const char *instruction_set);
 int linklib(const char* uuid, const char* pkgname, const char* asecLibDir, int userId);