diff --git a/testing/scripts/build-umlrootfs b/testing/scripts/build-umlrootfs
index afc40b12b..1a983b85b 100755
--- a/testing/scripts/build-umlrootfs
+++ b/testing/scripts/build-umlrootfs
@@ -126,6 +126,11 @@ if [ "$USE_LDAP" = "yes" ]
 then
     echo -n " --enable-ldap=3" >> $INSTALLSHELL
 fi
+
+if [ "$USE_LEAK_DETECTIVE" = "yes" ]
+then
+    echo -n " --enable-leak-detective" >> $INSTALLSHELL
+fi
 echo "" >> $INSTALLSHELL
 echo "make" >> $INSTALLSHELL
 echo "make install" >> $INSTALLSHELL
diff --git a/testing/testing.conf b/testing/testing.conf
index f3de64f0d..853572365 100755
--- a/testing/testing.conf
+++ b/testing/testing.conf
@@ -39,6 +39,7 @@ STRONGSWAN=$UMLTESTDIR/strongswan-4.0.2.tar.bz2
 # strongSwan compile options (use "yes" or "no")
 USE_LIBCURL="yes"
 USE_LDAP="yes"
+USE_LEAK_DETECTIVE="no"
 
 # Gentoo linux root filesystem
 ROOTFS=$UMLTESTDIR/gentoo-fs-20060330.tar.bz2