diff --git a/pkg/core/blockchain.go b/pkg/core/blockchain.go
index b5271b4b4..c9d1a26d5 100644
--- a/pkg/core/blockchain.go
+++ b/pkg/core/blockchain.go
@@ -1123,7 +1123,7 @@ func (bc *Blockchain) isHardforkEnabled(hf *config.Hardfork, blockHeight uint32)
 	hfs := bc.config.Hardforks
 	if hf != nil {
 		start, ok := hfs[hf.String()]
-		if !ok || start < blockHeight {
+		if !ok || start > blockHeight {
 			return false
 		}
 	}
diff --git a/pkg/core/interop/context.go b/pkg/core/interop/context.go
index ddfeb11e9..c72adbeff 100644
--- a/pkg/core/interop/context.go
+++ b/pkg/core/interop/context.go
@@ -256,10 +256,10 @@ func (c *ContractMD) HFSpecificContractMD(hf *config.Hardfork) *HFSpecificContra
 	}
 	md, ok := c.mdCache[key]
 	if !ok {
-		panic(fmt.Errorf("native contract descriptor cache is not initialized: contract %s, hardfork %s", c.Hash.StringLE(), key))
+		panic(fmt.Errorf("native contract descriptor cache is not initialized: contract %s, hardfork %s", c.Name, key))
 	}
 	if md == nil {
-		panic(fmt.Errorf("native contract descriptor cache is nil: contract %s, hardfork %s", c.Hash.StringLE(), key))
+		panic(fmt.Errorf("native contract descriptor cache is nil: contract %s, hardfork %s", c.Name, key))
 	}
 	return md
 }
diff --git a/pkg/core/native/management.go b/pkg/core/native/management.go
index 54640a866..0bd36c138 100644
--- a/pkg/core/native/management.go
+++ b/pkg/core/native/management.go
@@ -619,8 +619,6 @@ func (m *Management) OnPersist(ic *interop.Context) error {
 			for _, hf := range config.Hardforks {
 				if _, ok := activeHFs[hf]; ok && ic.IsHardforkActivation(hf) {
 					isUpdate = true
-					activation := hf       // avoid loop variable pointer exporting.
-					activeIn = &activation // reuse ActiveIn variable for the initialization hardfork.
 					// Break immediately since native Initialize should be called starting from the first hardfork in a raw
 					// (if there are multiple hardforks with the same enabling height).
 					break
@@ -635,6 +633,10 @@ func (m *Management) OnPersist(ic *interop.Context) error {
 				currentActiveHFs = append(currentActiveHFs, hf)
 			}
 		}
+		// activeIn is not included into the activeHFs list.
+		if activeIn != nil && activeIn.Cmp(latestHF) > 0 {
+			latestHF = *activeIn
+		}
 		if !(isDeploy || isUpdate) {
 			continue
 		}
@@ -677,7 +679,7 @@ func (m *Management) OnPersist(ic *interop.Context) error {
 		// The rest of activating hardforks also require initialization.
 		for _, hf := range currentActiveHFs {
 			if err := native.Initialize(ic, &hf, hfSpecificMD); err != nil {
-				return fmt.Errorf("initializing %s native contract at HF %d: %w", md.Name, activeIn, err)
+				return fmt.Errorf("initializing %s native contract at HF %s: %w", md.Name, hf, err)
 			}
 		}