diff --git a/linux-user/main.c b/linux-user/main.c
index 187b3f28b2..0656c80b85 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -648,7 +648,7 @@ uint64_t libafl_load_addr(void);
 int libafl_qemu_main(void);
 int libafl_qemu_run(void);
 
-extern __thread CPUArchState *libafl_qemu_env;
+__thread CPUArchState *libafl_qemu_env;
 
 struct image_info libafl_image_info;
 struct linux_binprm bprm;