diff --git a/.github/scripts/defaults.sh b/.github/scripts/defaults.sh
index 176d20d5..d2362dbd 100755
--- a/.github/scripts/defaults.sh
+++ b/.github/scripts/defaults.sh
@@ -47,7 +47,7 @@ mapping["chipyard-manymmioaccels"]=" CONFIG=ManyMMIOAcceleratorRocketConfig"
 mapping["chipyard-hetero"]=" CONFIG=LargeBoomAndRocketConfig"
 mapping["chipyard-boom"]=" CONFIG=MediumBoomCosimConfig"
 mapping["chipyard-dmiboom"]=" CONFIG=dmiMediumBoomCosimConfig"
-mapping["chipyard-spike"]=" CONFIG=SpikeFastUARTConfig EXTRA_SIM_FLAGS='+spike-ipc=10'"
+mapping["chipyard-spike"]=" CONFIG=SpikeConfig EXTRA_SIM_FLAGS='+spike-ipc=10'"
 mapping["chipyard-hwacha"]=" CONFIG=HwachaRocketConfig"
 mapping["chipyard-gemmini"]=" CONFIG=GemminiRocketConfig"
 mapping["chipyard-cva6"]=" CONFIG=CVA6Config"