diff --git a/test/bench_http.c b/test/bench_http.c
index 6d0d9717..0c46855f 100644
--- a/test/bench_http.c
+++ b/test/bench_http.c
@@ -138,7 +138,9 @@ main(int argc, char **argv)
 #ifdef _WIN32
 		case 'i':
 			use_iocp = 1;
+#ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED
 			evthread_use_windows_threads();
+#endif
 			event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP);
 			break;
 #endif
diff --git a/test/print-winsock-errors.c b/test/print-winsock-errors.c
index ab6e610e..64d6b0e7 100644
--- a/test/print-winsock-errors.c
+++ b/test/print-winsock-errors.c
@@ -15,7 +15,9 @@ int main (int argc, char **argv)
   int i, j;
   const char *s1, *s2;
 
+#ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED
   evthread_use_windows_threads ();
+#endif
 
   s1 = evutil_socket_error_to_string (WSAEINTR);
 
diff --git a/test/test-ratelim.c b/test/test-ratelim.c
index 17babfdc..9ee989bd 100644
--- a/test/test-ratelim.c
+++ b/test/test-ratelim.c
@@ -279,7 +279,9 @@ test_ratelimiting(void)
 
 #ifdef _WIN32
 	if (cfg_enable_iocp) {
+#ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED
 		evthread_use_windows_threads();
+#endif
 		event_config_set_flag(base_cfg, EVENT_BASE_FLAG_STARTUP_IOCP);
 	}
 #endif