diff --git a/waku/v2/protocol/store/pb/validation.go b/waku/v2/protocol/store/pb/validation.go
index f54dea90..aea3e923 100644
--- a/waku/v2/protocol/store/pb/validation.go
+++ b/waku/v2/protocol/store/pb/validation.go
@@ -1,7 +1,9 @@
 package pb
 
 import (
+	"encoding/hex"
 	"errors"
+	"fmt"
 )
 
 // MaxContentTopics is the maximum number of allowed contenttopics in a query
@@ -10,7 +12,6 @@ const MaxContentTopics = 10
 var (
 	errMissingRequestID       = errors.New("missing RequestId field")
 	errMessageHashOtherFields = errors.New("cannot use MessageHashes with ContentTopics/PubsubTopic")
-	errRequestIDMismatch      = errors.New("requestID in response does not match request")
 	errMaxContentTopics       = errors.New("exceeds the maximum number of ContentTopics allowed")
 	errEmptyContentTopic      = errors.New("one or more content topics specified is empty")
 	errMissingPubsubTopic     = errors.New("missing PubsubTopic field")
@@ -58,7 +59,7 @@ func (x *StoreQueryRequest) Validate() error {
 
 func (x *StoreQueryResponse) Validate(requestID string) error {
 	if x.RequestId != "" && x.RequestId != requestID {
-		return errRequestIDMismatch
+		return fmt.Errorf("requestID %s in response does not match requestID in request %s", hex.EncodeToString([]byte(x.RequestId)), hex.EncodeToString([]byte(requestID)))
 	}
 
 	if x.StatusCode == nil {