diff --git a/cmds/installd/installd.cpp b/cmds/installd/installd.cpp
index de3f54a..a06214b 100644
--- a/cmds/installd/installd.cpp
+++ b/cmds/installd/installd.cpp
@@ -65,8 +65,8 @@
                              const char *oat_dir,
                              const char *apk_path,
                              const char *instruction_set) {
-    char *file_name_start;
-    char *file_name_end;
+    const char *file_name_start;
+    const char *file_name_end;
 
     file_name_start = strrchr(apk_path, '/');
     if (file_name_start == NULL) {