diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
index ece2d7d63dd61..48daa2ed25c14 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
@@ -216,7 +216,7 @@ static void MaybeInstallSigaction(int signum,
 
   struct sigaction sigact;
   internal_memset(&sigact, 0, sizeof(sigact));
-  sigact.sa_sigaction = (sa_sigaction_t)handler;
+  sigact.sa_sigaction = (sa_sigaction_t)(void (*)(void))handler;
   // Do not block the signal from being received in that signal's handler.
   // Clients are responsible for handling this correctly.
   sigact.sa_flags = SA_SIGINFO | SA_NODEFER;