diff --git a/relayer/chains/wasm/wasm_chain_processor.go b/relayer/chains/wasm/wasm_chain_processor.go
index 1c5c1565f..805142aed 100644
--- a/relayer/chains/wasm/wasm_chain_processor.go
+++ b/relayer/chains/wasm/wasm_chain_processor.go
@@ -396,6 +396,9 @@ func (ccp *WasmChainProcessor) shouldSkipProcessBlock(blocks []int64, block int6
 }
 
 func findMaxBlock(blocks []int64) int64 {
+	if len(blocks) == 0 {
+		return 0
+	}
 	return blocks[len(blocks)-1]
 }