diff --git a/CMakeLists.txt b/CMakeLists.txt
index 28c480a08..4b80823f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,17 @@ SET(OPENSCENEGRAPH_VERSION ${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINO
 
 SET(OSG_PLUGINS osgPlugins-${OPENSCENEGRAPH_VERSION})
 
+SET(OSG_PLUGIN_PREFIX "")
+
+IF (CYGWIN)
+    SET(OSG_PLUGIN_PREFIX "cygwin_")
+ENDIF(CYGWIN)
+
+IF(MINGW)
+    SET(OSG_PLUGIN_PREFIX "mingw_")
+ENDIF(MINGW)
+
+
 # We want to build SONAMES shared librariess
 SET(OPENSCENEGRAPH_SONAMES TRUE)
 SET(OPENTHREADS_SONAMES TRUE)
@@ -87,6 +98,9 @@ INCLUDE_DIRECTORIES(
 #ADD_DEFINITIONS(-D)
 # Platform specific definitions
 
+
+
+
 IF(WIN32)
     ADD_DEFINITIONS(-D_SCL_SECURE_NO_WARNINGS)
     ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
diff --git a/examples/osgintrospection/osgintrospection.cpp b/examples/osgintrospection/osgintrospection.cpp
index 65a6a022e..1e4a5525a 100644
--- a/examples/osgintrospection/osgintrospection.cpp
+++ b/examples/osgintrospection/osgintrospection.cpp
@@ -38,9 +38,9 @@ std::string createLibraryNameForWrapper(const std::string& ext)
 #if defined(WIN32)
     // !! recheck evolving Cygwin DLL extension naming protocols !! NHV
     #ifdef __CYGWIN__
-        return "cygosgwrapper_"+ext+".dll";
+        return "cygwin_osgwrapper_"+ext+".dll";
     #elif defined(__MINGW32__)
-        return "libosgwrapper_"+ext+".dll";
+        return "mingw_osgwrapper_"+ext+".dll";
     #else
         #ifdef _DEBUG
             return "osgwrapper_"+ext+"d.dll";
diff --git a/src/osgDB/Registry.cpp b/src/osgDB/Registry.cpp
index 1d0b0a668..3a7f42252 100644
--- a/src/osgDB/Registry.cpp
+++ b/src/osgDB/Registry.cpp
@@ -585,9 +585,9 @@ std::string Registry::createLibraryNameForExtension(const std::string& ext)
 #if defined(WIN32)
     // !! recheck evolving Cygwin DLL extension naming protocols !! NHV
     #ifdef __CYGWIN__
-        return prepend+"cyg"+"osgdb_"+lowercase_ext+".dll";
+        return prepend+"cygwin_"+"osgdb_"+lowercase_ext+".dll";
     #elif defined(__MINGW32__)
-        return prepend+"lib"+"osgdb_"+lowercase_ext+".dll";
+        return prepend+"mingw_"+"osgdb_"+lowercase_ext+".dll";
     #else
         #ifdef _DEBUG
             return prepend+"osgdb_"+lowercase_ext+"d.dll";
diff --git a/src/osgPlugins/CMakeLists.txt b/src/osgPlugins/CMakeLists.txt
index 5f61c9aa9..cd585d344 100644
--- a/src/osgPlugins/CMakeLists.txt
+++ b/src/osgPlugins/CMakeLists.txt
@@ -11,15 +11,13 @@ IF(NOT MSVC)
     SET(LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH}/${OSG_PLUGINS}")
 ENDIF(NOT MSVC)
 
-IF(NOT MINGW)
-    SET(CMAKE_SHARED_MODULE_PREFIX "")
-ENDIF(NOT MINGW)
+SET(CMAKE_SHARED_MODULE_PREFIX ${OSG_PLUGIN_PREFIX})
 
 
 SET(TARGET_DEFAULT_PREFIX "osgdb_")
 SET(TARGET_DEFAULT_LABEL_PREFIX "Plugins")
 SET(TARGET_COMMON_LIBRARIES 
-        OpenThreads
+    OpenThreads
     osg 
     osgDB 
     osgUtil
diff --git a/src/osgWrappers/CMakeLists.txt b/src/osgWrappers/CMakeLists.txt
index 87f9dbb66..a280f8040 100644
--- a/src/osgWrappers/CMakeLists.txt
+++ b/src/osgWrappers/CMakeLists.txt
@@ -2,9 +2,7 @@ PROJECT(OSG_WRAPPERS)
 
 SET(LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH}/${OSG_PLUGINS}")
 
-IF(NOT MINGW)
-    SET(CMAKE_SHARED_MODULE_PREFIX "")
-ENDIF(NOT MINGW)
+SET(CMAKE_SHARED_MODULE_PREFIX ${OSG_PLUGIN_PREFIX})
 
 
 MACRO(ADD_WRAPPER_LIB SUBDIR EXPORTDEF)