diff --git a/configure.in b/configure.in
index e41b16506c..7e466cf75a 100644
--- a/configure.in
+++ b/configure.in
@@ -799,7 +799,9 @@ WX_ARG_ENABLE(shared,      [  --enable-shared         create shared library code
 WX_ARG_ENABLE(optimise,    [  --enable-optimise       create optimised code], wxUSE_OPTIMISE)
 WX_ARG_ENABLE(debug,       [  --enable-debug          same as debug_flag and debug_info], wxUSE_DEBUG)
 WX_ARG_ENABLE(stl,         [  --enable-stl            use STL for containers], wxUSE_STL)
-WX_ARG_ENABLE(omf,         [  --enable-omf            use OMF object format on OS/2], wxUSE_OMF)
+if test "$USE_OS2" = "1"; then
+    WX_ARG_ENABLE(omf,     [  --enable-omf            use OMF object format], wxUSE_OMF)
+fi
 
 if test "$wxUSE_DEBUG" = "yes"; then
   DEFAULT_wxUSE_DEBUG_FLAG=yes