diff --git a/pkg/innerring/invoke/balance.go b/pkg/innerring/invoke/balance.go
index 9dc30da9f..9c5313889 100644
--- a/pkg/innerring/invoke/balance.go
+++ b/pkg/innerring/invoke/balance.go
@@ -26,7 +26,7 @@ type (
 
 const (
 	transferXMethod = "transferX"
-	lockMethod      = "Lock"
+	lockMethod      = "lock"
 )
 
 // TransferBalanceX invokes transferX method.
diff --git a/pkg/innerring/invoke/neofs.go b/pkg/innerring/invoke/neofs.go
index 5632b9c7c..543217ab2 100644
--- a/pkg/innerring/invoke/neofs.go
+++ b/pkg/innerring/invoke/neofs.go
@@ -28,8 +28,8 @@ const (
 	// execution stage. Otherwise invocation will fail due to gas limit.
 	extraFee = 5000_0000 // 0.5 Fixed8 gas
 
-	checkIsInnerRingMethod = "IsInnerRing"
-	chequeMethod           = "Cheque"
+	checkIsInnerRingMethod = "isInnerRing"
+	chequeMethod           = "cheque"
 )
 
 // IsInnerRing returns true if 'key' is presented in inner ring list.
diff --git a/pkg/innerring/invoke/netmap.go b/pkg/innerring/invoke/netmap.go
index 783d3b488..7c6cf23a9 100644
--- a/pkg/innerring/invoke/netmap.go
+++ b/pkg/innerring/invoke/netmap.go
@@ -6,8 +6,8 @@ import (
 )
 
 const (
-	getEpochMethod    = "Epoch"
-	setNewEpochMethod = "NewEpoch"
+	getEpochMethod    = "epoch"
+	setNewEpochMethod = "newEpoch"
 )
 
 // Epoch return epoch value from contract.