diff --git a/tests/Gtest-bt.c b/tests/Gtest-bt.c
index fb5b3966..b5f4439a 100644
--- a/tests/Gtest-bt.c
+++ b/tests/Gtest-bt.c
@@ -50,7 +50,7 @@ int num_errors;
  * cause the signal stack to overflow */
 char buf[512], name[256];
 unw_cursor_t cursor;
-ucontext_t uc;
+unw_context_t uc;
 
 static void
 do_backtrace (void)
diff --git a/tests/Gtest-trace.c b/tests/Gtest-trace.c
index ed34e58d..7488ee6e 100644
--- a/tests/Gtest-trace.c
+++ b/tests/Gtest-trace.c
@@ -50,7 +50,7 @@ int num_errors;
 char buf[512], name[256];
 void *addresses[3][128];
 unw_cursor_t cursor;
-ucontext_t uc;
+unw_context_t uc;
 
 static void
 do_backtrace (void)