diff --git a/winpr/libwinpr/utils/wlog/FileAppender.c b/winpr/libwinpr/utils/wlog/FileAppender.c
index 576841611..8c921283a 100644
--- a/winpr/libwinpr/utils/wlog/FileAppender.c
+++ b/winpr/libwinpr/utils/wlog/FileAppender.c
@@ -172,7 +172,7 @@ static BOOL WLog_FileAppender_WriteDataMessage(wLog* log, wLogAppender* appender
 
 static int g_ImageId = 0;
 
-static int WLog_FileAppender_WriteImageMessage(wLog* log, wLogAppender* appender, wLogMessage* message)
+static BOOL WLog_FileAppender_WriteImageMessage(wLog* log, wLogAppender* appender, wLogMessage* message)
 {
 	int ImageId;
 	char* FullFileName;