diff --git a/abicheck.spec b/abicheck.spec
index 8023cd0..fb92bec 100644
--- a/abicheck.spec
+++ b/abicheck.spec
@@ -47,8 +47,10 @@ install -p -m 0644 abicheck.1 $RPM_BUILD_ROOT%{_mandir}/man1
 %check
 cd test
 make private1 public1
-../abicheck ./private1 || :
-../abicheck ./public1 || :
+for a in $(seq 1 50); do ( 
+    ../abicheck ./public1 || :
+    ../abicheck ./private1 | egrep 'PRIVATE:.*libc.*(__open|__nanosleep)' || :
+); done
 cd -
 make test
 :