diff --git a/chrony.spec b/chrony.spec
index 7e24c64..dde5580 100644
--- a/chrony.spec
+++ b/chrony.spec
@@ -298,7 +298,7 @@ export CLKNETSIM_RANDOM_SEED=24501
 export CFLAGS="%{optflags}"
 make %{?_smp_mflags} -C test/simulation/clknetsim
 cd test/simulation
-for i in $(seq 20); do
+for i in $(seq 50); do
 	./124-tai &> /dev/null && break
 done
 exit 1