diff --git a/scene/gui/label.cpp b/scene/gui/label.cpp
index 731cb952b90..ae96cc5d85c 100644
--- a/scene/gui/label.cpp
+++ b/scene/gui/label.cpp
@@ -630,7 +630,7 @@ float Label::get_percent_visible() const {
 }
 
 void Label::set_lines_skipped(int p_lines) {
-
+	ERR_FAIL_COND(p_lines < 0);
 	lines_skipped = p_lines;
 	update();
 }