diff --git a/src/kernel/emulation/linux/signal/kill.c b/src/kernel/emulation/linux/signal/kill.c
index f4441dee3..f458567f0 100644
--- a/src/kernel/emulation/linux/signal/kill.c
+++ b/src/kernel/emulation/linux/signal/kill.c
@@ -21,7 +21,7 @@ long sys_kill(int pid, int signum, int posix)
 		int tracer = lkm_call(NR_get_tracer, (void*)(long)pid);
 		if (tracer == getpid())
 		{
-			linux_sigqueue(ret, SIGNAL_SIGEXC_THUPDATE, -SIGSTOP);
+			linux_sigqueue(pid, SIGNAL_SIGEXC_THUPDATE, -LINUX_SIGSTOP);
 			return 0;
 		}
 	}
diff --git a/src/kernel/emulation/linux/signal/sigexc.c b/src/kernel/emulation/linux/signal/sigexc.c
index 34f1a09d4..17b39c1dd 100644
--- a/src/kernel/emulation/linux/signal/sigexc.c
+++ b/src/kernel/emulation/linux/signal/sigexc.c
@@ -152,7 +152,7 @@ void sigrt_handler(int signum, struct linux_siginfo* info, void* ctxt)
 			darling_sigexc_self();
 
 			// Stop on attach
-			sigexc_handler(LINUX_SIGSTOP, NULL, ctxt);
+			sigexc_handler(LINUX_SIGSTOP, NULL, (struct linux_ucontext*) ctxt);
 		}
 		else if (((uint32_t) info->si_value) == SIGRT_MAGIC_DISABLE_SIGEXC)
 		{
@@ -174,7 +174,7 @@ void sigrt_handler(int signum, struct linux_siginfo* info, void* ctxt)
 			// This is only used to pass a SIGSTOP to the traced process (from the debugger)
 			// and have it passed back through the sigexc mechanism.
 			// See sys_wait4().
-			sigexc_handler(-sig, NULL, NULL);
+			sigexc_handler(-sig, NULL, (struct linux_ucontext*) ctxt);
 		}
 		else
 		{