diff --git a/src/lib/platform/CMSWindowsScreen.cpp b/src/lib/platform/CMSWindowsScreen.cpp
index 3f46ea40..7efe6c32 100644
--- a/src/lib/platform/CMSWindowsScreen.cpp
+++ b/src/lib/platform/CMSWindowsScreen.cpp
@@ -163,7 +163,7 @@ CMSWindowsScreen::CMSWindowsScreen(
 			closeHookLibrary(m_hookLibrary);
 
 		if (m_shellLibrary != NULL)
-			closeHookLibrary(m_shellLibrary);
+			closeShellLibrary(m_shellLibrary);
 
 		s_screen = NULL;
 		throw;
@@ -195,7 +195,7 @@ CMSWindowsScreen::~CMSWindowsScreen()
 		closeHookLibrary(m_hookLibrary);
 
 	if (m_shellLibrary != NULL)
-		closeHookLibrary(m_shellLibrary);
+		closeShellLibrary(m_shellLibrary);
 
 	s_screen = NULL;
 }
@@ -825,6 +825,14 @@ CMSWindowsScreen::closeHookLibrary(HINSTANCE hookLibrary) const
 	}
 }
 
+void
+CMSWindowsScreen::closeShellLibrary(HINSTANCE shellLibrary) const
+{
+	if (shellLibrary != NULL) {
+		FreeLibrary(shellLibrary);
+	}
+}
+
 HCURSOR
 CMSWindowsScreen::createBlankCursor() const
 {
diff --git a/src/lib/platform/CMSWindowsScreen.h b/src/lib/platform/CMSWindowsScreen.h
index 51414d01..ed7957e1 100644
--- a/src/lib/platform/CMSWindowsScreen.h
+++ b/src/lib/platform/CMSWindowsScreen.h
@@ -131,6 +131,7 @@ private:
 	HINSTANCE			openHookLibrary(const char* name);
 	HINSTANCE			openShellLibrary(const char* name);
 	void				closeHookLibrary(HINSTANCE hookLibrary) const;
+	void				closeShellLibrary(HINSTANCE shellLibrary) const;
 	HCURSOR				createBlankCursor() const;
 	void				destroyCursor(HCURSOR cursor) const;
 	ATOM				createWindowClass() const;