diff --git a/secp256k1/Random.cpp b/secp256k1/Random.cpp
index ffe204c..03aca3a 100644
--- a/secp256k1/Random.cpp
+++ b/secp256k1/Random.cpp
@@ -24,8 +24,11 @@
 #endif
 
 #ifdef __unix__
+#ifdef __CYGWIN__
+#else
 #include <linux/random.h>
 #endif
+#endif
 
 #define  RK_STATE_LEN 624