diff --git a/src/os2/utils.cpp b/src/os2/utils.cpp
index 1d01ee094f..67e5fdad78 100644
--- a/src/os2/utils.cpp
+++ b/src/os2/utils.cpp
@@ -342,6 +342,15 @@ void wxBell()
     DosBeep(1000,1000); // 1kHz during 1 sec.
 }
 
+
+void wxAppTraits::InitializeGui(unsigned long &ulHab)
+{
+}
+
+void wxAppTraits::TerminateGui(unsigned long ulHab)
+{
+}
+
 wxToolkitInfo & wxConsoleAppTraits::GetToolkitInfo()
 {
     static wxToolkitInfo	    vInfo;
diff --git a/src/os2/utilsgui.cpp b/src/os2/utilsgui.cpp
index 52701bb3c6..d5153224f1 100644
--- a/src/os2/utilsgui.cpp
+++ b/src/os2/utilsgui.cpp
@@ -473,6 +473,16 @@ void wxClientDisplayRect(int *x, int *y, int *width, int *height)
     wxDisplaySize(width, height);
 }
 
+void wxGUIAppTraits::InitializeGui(unsigned long &ulHab)
+{
+    ulHab = ::WinInitialize(0);
+}
+
+void wxGUIAppTraits::TerminateGui(unsigned long ulHab)
+{
+    ::WinTerminate(ulHab);
+}
+
 wxToolkitInfo & wxGUIAppTraits::GetToolkitInfo()
 {
     static wxToolkitInfo	    vInfo;