diff --git a/include/crucible/process.h b/include/crucible/process.h
index 845ab277..b2ae817a 100644
--- a/include/crucible/process.h
+++ b/include/crucible/process.h
@@ -11,7 +11,11 @@
 #include <unistd.h>
 
 extern "C" {
-	pid_t gettid() throw();
+	pid_t gettid()
+#ifdef __THROW
+	__THROW
+#endif
+	;
 };
 
 namespace crucible {
diff --git a/lib/process.cc b/lib/process.cc
index 808073ee..6ef4e8cc 100644
--- a/lib/process.cc
+++ b/lib/process.cc
@@ -13,7 +13,10 @@
 extern "C" {
 	pid_t
 	__attribute__((weak))
-	gettid() throw()
+	gettid()
+#ifdef __THROW
+	__THROW
+#endif
 	{
 		return syscall(SYS_gettid);
 	}