2 files changed, 3 insertions, 3 deletions
diff --git a/test/syscalls/linux/sigaltstack.cc b/test/syscalls/linux/sigaltstack.cc
index fa991545c..b1845ac85 100644
--- a/test/syscalls/linux/sigaltstack.cc
+++ b/test/syscalls/linux/sigaltstack.cc
@@ -143,7 +143,7 @@ void badhandler(int sig, siginfo_t* siginfo, void* arg) {
     badhandler_recursive_faults--;
     Fault();
   }
-  FixupFault(reinterpret_cast<ucontext*>(arg));
+  FixupFault(reinterpret_cast<ucontext_t*>(arg));
 }
 
 TEST(SigaltstackTest, WalksOffBottom) {
@@ -215,7 +215,7 @@ void setonstack(int sig, siginfo_t* siginfo, void* arg) {
   stack.ss_size = SIGSTKSZ;
   setonstack_retval = sigaltstack(&stack, nullptr);
   setonstack_errno = errno;
-  FixupFault(reinterpret_cast<ucontext*>(arg));
+  FixupFault(reinterpret_cast<ucontext_t*>(arg));
 }
 
 TEST(SigaltstackTest, SetWhileOnStack) {
diff --git a/test/util/signal_util.h b/test/util/signal_util.h
index f58f4c6c4..80f1808f6 100644
--- a/test/util/signal_util.h
+++ b/test/util/signal_util.h
@@ -78,7 +78,7 @@ inline void Fault() {
 }
 
 // FixupFault fixes up a fault generated by fault, above.
-inline void FixupFault(ucontext* ctx) {
+inline void FixupFault(ucontext_t* ctx) {
   // Skip the bad instruction above.
   //
   // The encoding is 0x48 0xab 0x00.