diff --git a/build/update-setup-h b/build/update-setup-h
index 399e910427..171484122f 100755
--- a/build/update-setup-h
+++ b/build/update-setup-h
@@ -37,7 +37,7 @@ cat_common_options_for()
     if [ $1 = "setup.h.in" ]; then
         cmd="$cmd | sed -e '/^\/\//d' \
                         -e 's@ *//.*\$@@' \
-                        -e 's/#define wxUSE_\(.\+\) \+1/#define wxUSE_\1 0/'"
+                        -e 's/# *define \(.\+\) \+1 *\$/#define \1 0/'"
     fi
 
     eval $cmd