diff --git a/assertions/sync.go b/assertions/sync.go
index ee5c8b2696..da27f05640 100644
--- a/assertions/sync.go
+++ b/assertions/sync.go
@@ -85,7 +85,7 @@ func (m *Manager) syncAssertions(ctx context.Context) {
 				return true, nil
 			})
 			if err != nil {
-				log.Error("Could not check for assertion added event")
+				log.Error("Could not check for assertion added event", "err", err)
 				return
 			}
 		}
@@ -105,22 +105,28 @@ func (m *Manager) syncAssertions(ctx context.Context) {
 			if fromBlock == toBlock {
 				continue
 			}
-			filterOpts := &bind.FilterOpts{
-				Start:   fromBlock,
-				End:     &toBlock,
-				Context: ctx,
-			}
-			_, err = retry.UntilSucceeds(ctx, func() (bool, error) {
-				innerErr := m.processAllAssertionsInRange(ctx, filterer, filterOpts)
-				if innerErr != nil {
-					log.Error("Could not process assertions in range", "err", innerErr)
-					return false, innerErr
+			for startBlock := fromBlock; startBlock <= toBlock; startBlock = startBlock + m.maxGetLogBlocks {
+				endBlock := startBlock + m.maxGetLogBlocks
+				if endBlock > toBlock {
+					endBlock = toBlock
+				}
+				filterOpts := &bind.FilterOpts{
+					Start:   startBlock,
+					End:     &endBlock,
+					Context: ctx,
+				}
+				_, err = retry.UntilSucceeds(ctx, func() (bool, error) {
+					innerErr := m.processAllAssertionsInRange(ctx, filterer, filterOpts)
+					if innerErr != nil {
+						log.Error("Could not process assertions in range", "err", innerErr)
+						return false, innerErr
+					}
+					return true, nil
+				})
+				if err != nil {
+					log.Error("Could not check for assertion added event", "err", err)
+					return
 				}
-				return true, nil
-			})
-			if err != nil {
-				log.Error("Could not check for assertion added", "err", err)
-				return
 			}
 			fromBlock = toBlock
 		case <-ctx.Done():