diff --git a/src/osgPlugins/osc/osc/OscHostEndianness.h b/src/osgPlugins/osc/osc/OscHostEndianness.h
index 569e025d3..ca52b930f 100644
--- a/src/osgPlugins/osc/osc/OscHostEndianness.h
+++ b/src/osgPlugins/osc/osc/OscHostEndianness.h
@@ -51,7 +51,7 @@
 
 #else
 
-    #if defined(__GLIBC__) || defined(__ANDROID__)
+    #if defined(__GLIBC__) || defined(__ANDROID__) || defined(__CYGWIN__)
         #include <endian.h>
         #if (__BYTE_ORDER == __LITTLE_ENDIAN)
             #define __LITTLE_ENDIAN__
diff --git a/src/osgViewer/CMakeLists.txt b/src/osgViewer/CMakeLists.txt
index a5587c13c..4f09e8822 100644
--- a/src/osgViewer/CMakeLists.txt
+++ b/src/osgViewer/CMakeLists.txt
@@ -259,7 +259,7 @@ SET(TARGET_LIBRARIES
 SET(TARGET_EXTERNAL_LIBRARIES ${LIB_EXTRA_LIBS})
 
 IF(MINGW OR CYGWIN)
-    SET(TARGET_EXTERNAL_LIBRARIES ${TARGET_EXTERNAL_LIBRARY} gdi32 )
+    SET(TARGET_EXTERNAL_LIBRARIES ${TARGET_EXTERNAL_LIBRARIES} gdi32 )
 ENDIF()
 
 SETUP_LIBRARY(${LIB_NAME})