--- a/src/libmowgli/platform/machine.h
+++ b/src/libmowgli/platform/machine.h
@@ -186,13 +186,13 @@
 # if defined _LP64 || defined __LP64
 #  define MOWGLI_CPU_BITS 64
 #  define MOWGLI_CPU_BITS_64
-# elif
+# else
 #  define MOWGLI_CPU_BITS 32
 #  define MOWGLI_CPU_BITS_32
 # endif
 #endif
 
-#if defined __linux || defined __linux__
+#if defined __linux || defined __linux__ || defined __FreeBSD_kernel__
 # define MOWGLI_OS_LINUX
 # define MOWGLI_OS linux
 # define MOWGLI_OS_THREADS_POSIX