diff --git a/src/main/java/com/ericsson/gerrit/plugins/eventslog/sql/SQLClient.java b/src/main/java/com/ericsson/gerrit/plugins/eventslog/sql/SQLClient.java
index 2056e71..30643ff 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/eventslog/sql/SQLClient.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/eventslog/sql/SQLClient.java
@@ -41,6 +41,7 @@
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.sql.Timestamp;
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -132,9 +133,21 @@
    * @throws SQLException If there was a problem with the database
    */
   void storeEvent(String projectName, Timestamp timestamp, String event) throws SQLException {
+    String values;
+    switch (databaseDialect) {
+      case SPANNER:
+        // Workaround since Spanner assumes timestamps without explicit time zone to be US/LA
+        Instant instant = (timestamp != null) ? timestamp.toInstant() : null;
+        values = format("VALUES('%s', '%s', '%s')", projectName, instant, event);
+        break;
+      default:
+        values = format("VALUES('%s', '%s', '%s')", projectName, timestamp, event);
+        break;
+    }
+
     execute(
         format("INSERT INTO %s(%s, %s, %s) ", TABLE_NAME, PROJECT_ENTRY, DATE_ENTRY, EVENT_ENTRY)
-            + format("VALUES('%s', '%s', '%s')", projectName, timestamp, event));
+            + values);
   }
 
   /**