diff --git a/loader/src/ptracer/ptracer.cpp b/loader/src/ptracer/ptracer.cpp
index 4489d33..a92bb20 100644
--- a/loader/src/ptracer/ptracer.cpp
+++ b/loader/src/ptracer/ptracer.cpp
@@ -189,6 +189,8 @@ bool inject_on_main(int pid, const char *lib_path) {
 
       LOGE("dlerror info %s", err);
 
+      free(err);
+
       return false;
     }