diff --git a/diff-pdf.spec b/diff-pdf.spec
index 6e4e354..c84cb6a 100644
--- a/diff-pdf.spec
+++ b/diff-pdf.spec
@@ -23,7 +23,7 @@ BuildRequires:  poppler-glib-devel
 aclocal ${wx+-I} $wx -I admin
 autoconf
 automake --add-missing --copy --foreign
-%configure --disable-silent-rules
+%configure --disable-silent-rules --with-wx-config=wx-config-3.0
 %make_build