diff --git a/pkg/reader/ccip.go b/pkg/reader/ccip.go
index f4f22d47..404f24e0 100644
--- a/pkg/reader/ccip.go
+++ b/pkg/reader/ccip.go
@@ -1060,7 +1060,7 @@ type sourceChainConfig struct {
 	Router    []byte // local router
 	IsEnabled bool
 	MinSeqNr  uint64
-	OnRamp    []byte
+	OnRamp    UnknownAddress
 }
 
 func (scc sourceChainConfig) check() (bool /* enabled */, error) {