Index: /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_presenter.cpp
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_presenter.cpp	(revision 51322)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_presenter.cpp	(revision 51323)
@@ -3986,5 +3986,5 @@
 HCR_FRAMEBUFFER CrPMgrFbGetEnabledForScreen(uint32_t idScreen)
 {
-    if (idScreen >= cr_server.screenCount)
+    if (idScreen >= (uint32_t)cr_server.screenCount)
     {
         WARN(("invalid target id"));