diff --git a/nav.go b/nav.go
index d80e339..befdc2c 100644
--- a/nav.go
+++ b/nav.go
@@ -527,8 +527,16 @@ func (nav *nav) checkReg(reg *reg) {
 		return
 	}
 
+	now := time.Now()
+
+	// XXX: Linux builtin exFAT drivers are able to predict modifications in the future
+	// https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/1872504
+	if s.ModTime().After(now) {
+		return
+	}
+
 	if s.ModTime().After(reg.loadTime) {
-		reg.loadTime = time.Now()
+		reg.loadTime = now
 		go nav.preview(reg.path)
 	}
 }