diff --git a/play-services-nearby-core/src/main/kotlin/org/microg/gms/nearby/exposurenotification/ExposureDatabase.kt b/play-services-nearby-core/src/main/kotlin/org/microg/gms/nearby/exposurenotification/ExposureDatabase.kt
index a21fecf8..3609fa97 100644
--- a/play-services-nearby-core/src/main/kotlin/org/microg/gms/nearby/exposurenotification/ExposureDatabase.kt
+++ b/play-services-nearby-core/src/main/kotlin/org/microg/gms/nearby/exposurenotification/ExposureDatabase.kt
@@ -346,7 +346,7 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit
         val keys = listSingleDiagnosisKeysPendingSearch(tid, database)
         val oldestRpi = oldestRpi
         for (key in keys) {
-            if ((key.rollingStartIntervalNumber + key.rollingPeriod) * ROLLING_WINDOW_LENGTH_MS + ALLOWED_KEY_OFFSET_MS < oldestRpi) {
+            if ((key.rollingStartIntervalNumber + key.rollingPeriod).toLong() * ROLLING_WINDOW_LENGTH_MS + ALLOWED_KEY_OFFSET_MS < oldestRpi) {
                 // Early ignore because key is older than since we started scanning.
                 applySingleDiagnosisKeySearchResult(key, false, database)
             } else {
@@ -385,7 +385,7 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit
                     riskLogged = key.transmissionRiskLevel
                     Log.d(TAG, "First key with risk ${key.transmissionRiskLevel}: ${ByteString.of(*key.keyData).hex()} starts ${key.rollingStartIntervalNumber}")
                 }
-                if ((key.rollingStartIntervalNumber + key.rollingPeriod) * ROLLING_WINDOW_LENGTH_MS + ALLOWED_KEY_OFFSET_MS < oldestRpi) {
+                if ((key.rollingStartIntervalNumber + key.rollingPeriod).toLong() * ROLLING_WINDOW_LENGTH_MS + ALLOWED_KEY_OFFSET_MS < oldestRpi) {
                     // Early ignore because key is older than since we started scanning.
                     ignored++;
                 } else {