diff --git a/winlogbeat/sys/wineventlog/publisher_metadata.go b/winlogbeat/sys/wineventlog/publisher_metadata.go
index 2e5ed2411c5..50b574ca5cf 100644
--- a/winlogbeat/sys/wineventlog/publisher_metadata.go
+++ b/winlogbeat/sys/wineventlog/publisher_metadata.go
@@ -198,11 +198,10 @@ func NewMetadataKeyword(publisherMetadataHandle EvtHandle, arrayHandle EvtObject
 	if err != nil {
 		return nil, err
 	}
-	messageID := v.(uint32)
-
-	// The value is -1 if the keyword did not specify a message attribute.
+	messageID, ok := v.(uint32)
 	var message string
-	if int32(messageID) != -1 {
+	// The value is -1 if the keyword did not specify a message attribute.
+	if ok {
 		message, err = evtFormatMessage(publisherMetadataHandle, NilHandle, messageID, nil, EvtFormatMessageId)
 		if err != nil {
 			return nil, err
@@ -271,11 +270,10 @@ func NewMetadataOpcode(publisherMetadataHandle EvtHandle, arrayHandle EvtObjectA
 	if err != nil {
 		return nil, err
 	}
-	messageID := v.(uint32)
-
+	messageID, ok := v.(uint32)
 	// The value is -1 if the opcode did not specify a message attribute.
 	var message string
-	if int32(messageID) != -1 {
+	if ok {
 		message, err = evtFormatMessage(publisherMetadataHandle, NilHandle, messageID, nil, EvtFormatMessageId)
 		if err != nil {
 			return nil, err
@@ -344,11 +342,10 @@ func NewMetadataLevel(publisherMetadataHandle EvtHandle, arrayHandle EvtObjectAr
 	if err != nil {
 		return nil, err
 	}
-	messageID := v.(uint32)
-
+	messageID, ok := v.(uint32)
 	// The value is -1 if the level did not specify a message attribute.
 	var message string
-	if int32(messageID) != -1 {
+	if ok {
 		message, err = evtFormatMessage(publisherMetadataHandle, NilHandle, messageID, nil, EvtFormatMessageId)
 		if err != nil {
 			return nil, err
@@ -418,11 +415,10 @@ func NewMetadataTask(publisherMetadataHandle EvtHandle, arrayHandle EvtObjectArr
 	if err != nil {
 		return nil, err
 	}
-	messageID := v.(uint32)
-
+	messageID, ok := v.(uint32)
 	// The value is -1 if the task did not specify a message attribute.
 	var message string
-	if int32(messageID) != -1 {
+	if ok {
 		message, err = evtFormatMessage(publisherMetadataHandle, NilHandle, messageID, nil, EvtFormatMessageId)
 		if err != nil {
 			return nil, err
@@ -499,11 +495,10 @@ func NewMetadataChannel(publisherMetadataHandle EvtHandle, arrayHandle EvtObject
 	if err != nil {
 		return nil, err
 	}
-	messageID := v.(uint32)
-
-	// The value is -1 if the task did not specify a message attribute.
+	messageID, ok := v.(uint32)
+	// The value is -1 if the channel did not specify a message attribute.
 	var message string
-	if int32(messageID) != -1 {
+	if ok {
 		message, err = evtFormatMessage(publisherMetadataHandle, NilHandle, messageID, nil, EvtFormatMessageId)
 		if err != nil {
 			return nil, err