diff --git a/aosp/update_attempter_android.cc b/aosp/update_attempter_android.cc
index e52f26a..d7cb2d2 100644
--- a/aosp/update_attempter_android.cc
+++ b/aosp/update_attempter_android.cc
@@ -311,6 +311,9 @@
   install_plan_.powerwash_required =
       GetHeaderAsBool(headers[kPayloadPropertyPowerwash], false);
 
+  install_plan_.spl_downgrade =
+      GetHeaderAsBool(headers[kPayloadPropertySplDowngrade], false);
+
   if (!IsProductionBuild()) {
     install_plan_.disable_vabc =
         GetHeaderAsBool(headers[kPayloadDisableVABC], false);
diff --git a/common/constants.h b/common/constants.h
index 004d9d9..3fcf1f1 100644
--- a/common/constants.h
+++ b/common/constants.h
@@ -168,6 +168,7 @@
 // Set "POWERWASH=1" to powerwash (factory data reset) the device after
 // applying the update.
 static constexpr const auto& kPayloadPropertyPowerwash = "POWERWASH";
+static constexpr const auto& kPayloadPropertySplDowngrade = "SPL_DOWNGRADE";
 // The network id to pass to android_setprocnetwork before downloading.
 // This can be used to zero-rate OTA traffic by sending it over the correct
 // network.
diff --git a/payload_consumer/delta_performer.cc b/payload_consumer/delta_performer.cc
index 267805e..8350825 100644
--- a/payload_consumer/delta_performer.cc
+++ b/payload_consumer/delta_performer.cc
@@ -485,7 +485,7 @@
 
     block_size_ = manifest_.block_size();
 
-    if (!CheckSPLDowngrade()) {
+    if (!install_plan_->spl_downgrade && !CheckSPLDowngrade()) {
       *error = ErrorCode::kPayloadTimestampError;
       return false;
     }
diff --git a/payload_consumer/install_plan.h b/payload_consumer/install_plan.h
index 93aebce..bad34a0 100644
--- a/payload_consumer/install_plan.h
+++ b/payload_consumer/install_plan.h
@@ -171,6 +171,9 @@
   // False otherwise.
   bool powerwash_required{false};
 
+  // True if and only if this is an SPL downgrade OTA
+  bool spl_downgrade{false};
+
   // True if the updated slot should be marked active on success.
   // False otherwise.
   bool switch_slot_on_reboot{true};