diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32172d95..0c5f7f73 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,9 +103,9 @@ if (WITH_NACL)
     endif (NOT NACL_FOUND)
 endif (WITH_NACL)
 
-if (BSD OR SOLARIS OR OSX)
+if (BSD OR SOLARIS OR OSX OR CYGWIN)
     find_package(Argp)
-endif (BSD OR SOLARIS OR OSX)
+endif (BSD OR SOLARIS OR OSX OR CYGWIN)
 
 # Disable symbol versioning in non UNIX platforms
 if (UNIX)