diff --git a/clamd/onaccess_fan.c b/clamd/onaccess_fan.c
index bce45261f..9df6294ff 100644
--- a/clamd/onaccess_fan.c
+++ b/clamd/onaccess_fan.c
@@ -82,6 +82,7 @@ static int onas_fan_scanfile(int fan_fd, const char *fname, struct fanotify_even
     res.response = FAN_ALLOW;
     context.filename = fname;
     context.virsize = 0;
+    context.scandata = NULL;
     if(scan && cl_scandesc_callback(fmd->fd, &virname, NULL, tharg->engine, tharg->options, &context) == CL_VIRUS) {
 	if(extinfo && context.virsize)
 	    logg("ScanOnAccess: %s: %s(%s:%llu) FOUND\n", fname, virname, context.virhash, context.virsize);
@@ -342,6 +343,7 @@ static int cauth_scanfile(const char *fname, int extinfo, struct thrarg *tharg)
 
     context.filename = fname;
     context.virsize = 0;
+    context.scandata = NULL;
 
     fd = open(fname, O_RDONLY);
     if(fd == -1)