diff --git a/modules/gdscript/editor/gdscript_highlighter.cpp b/modules/gdscript/editor/gdscript_highlighter.cpp
index 4f4137171..df6d472c1 100644
--- a/modules/gdscript/editor/gdscript_highlighter.cpp
+++ b/modules/gdscript/editor/gdscript_highlighter.cpp
@@ -83,6 +83,11 @@ Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting(int p_line)
 	const String &str = text_edit->get_line(p_line);
 	const int line_length = str.length();
 	Color prev_color;
+
+	if (in_region != -1 && str.length() == 0) {
+		color_region_cache[p_line] = in_region;
+	}
+
 	for (int j = 0; j < str.length(); j++) {
 		Dictionary highlighter_info;
 
diff --git a/scene/resources/syntax_highlighter.cpp b/scene/resources/syntax_highlighter.cpp
index a31c8070b..a2effe534 100644
--- a/scene/resources/syntax_highlighter.cpp
+++ b/scene/resources/syntax_highlighter.cpp
@@ -169,6 +169,11 @@ Dictionary CodeHighlighter::_get_line_syntax_highlighting(int p_line) {
 	const String &str = text_edit->get_line(p_line);
 	const int line_length = str.length();
 	Color prev_color;
+
+	if (in_region != -1 && str.length() == 0) {
+		color_region_cache[p_line] = in_region;
+	}
+
 	for (int j = 0; j < line_length; j++) {
 		Dictionary highlighter_info;