diff --git a/perl-DBM-Deep.spec b/perl-DBM-Deep.spec
index 7d14d34..b995c43 100644
--- a/perl-DBM-Deep.spec
+++ b/perl-DBM-Deep.spec
@@ -22,6 +22,7 @@ C-based DBM. Out-of-the-box compatibility with Unix, Mac OS X and Windows.
 %setup -q -n DBM-Deep-%{version}
 
 %build
+export PERL_MM_USE_DEFAULT=1
 %{__perl} Build.PL installdirs=vendor 
 ./Build