diff --git a/runtime/internal/critical.c b/runtime/internal/critical.c
index 36cedd34..9bb41143 100644
--- a/runtime/internal/critical.c
+++ b/runtime/internal/critical.c
@@ -81,7 +81,7 @@ void _STD_critical_term()
 #include	<stdlib.h>
 #include	<pthread.h>
 
-#if __APPLE__
+#if !linux
 #define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
 #endif
 
diff --git a/runtime/internal/monitor.c b/runtime/internal/monitor.c
index 85042404..3f5a22fb 100644
--- a/runtime/internal/monitor.c
+++ b/runtime/internal/monitor.c
@@ -127,7 +127,7 @@ void _d_monitor_unlock(Object *h)
 
 #if USE_PTHREADS
 
-#if __APPLE__
+#if !linux
 #define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
 #endif