diff --git a/test/cases/shmem.c b/test/cases/shmem.c
index 57e7a81e..efea30e5 100644
--- a/test/cases/shmem.c
+++ b/test/cases/shmem.c
@@ -1,7 +1,10 @@
 #include "ev.h"
 #include "test.h"
 #include <string.h>
+
+#if defined(__linux__)
 #include <sys/mman.h>
+#endif
 
 #define TEST_SHMEM_KEY "/e35955c2"
 #define TEST_SHMEM_SIZE (4096)