diff --git a/tests/boost-testsuite-sanity/runtest.sh b/tests/boost-testsuite-sanity/runtest.sh
index 98e9842..b95ae3c 100755
--- a/tests/boost-testsuite-sanity/runtest.sh
+++ b/tests/boost-testsuite-sanity/runtest.sh
@@ -54,7 +54,7 @@ rlJournalStart
   rlPhaseStartSetup "build boost"
     rlRun "rpm -D \"_topdir $TmpDir\" -U *.src.rpm"
     rlRun "dnf builddep -y $TmpDir/SPECS/*.spec"
-    rlRun "su -c 'rpmbuild -D \"_topdir $TmpDir\" -bp $TmpDir/SPECS/*.spec &>$TmpDir/rpmbuild.log' $BUILD_USER"
+    rlRun "su -c 'rpmbuild -D \"_topdir $TmpDir\" -bp --undefine specpartsdir $TmpDir/SPECS/*.spec &>$TmpDir/rpmbuild.log' $BUILD_USER"
     rlRun "rlFileSubmit $TmpDir/rpmbuild.log"
     rlRun "cd $TmpDir/BUILD/boost*"
     rlRun "su -c './bootstrap.sh &>$TmpDir/bootstrap.log' $BUILD_USER"