diff --git a/scene/gui/rich_text_label.cpp b/scene/gui/rich_text_label.cpp
index a628b9323db..c8ae23c5a3a 100644
--- a/scene/gui/rich_text_label.cpp
+++ b/scene/gui/rich_text_label.cpp
@@ -381,7 +381,7 @@ float RichTextLabel::_resize_line(ItemFrame *p_frame, int p_line, const Ref<Font
 		l.text_buf->tab_align(tab_stops);
 	} else if (tab_size > 0) { // Align inline tabs.
 		Vector<float> tabs;
-		tabs.push_back(tab_size * p_base_font->get_char_size(' ', p_base_font_size).width);
+		tabs.push_back(MAX(1, tab_size * (p_base_font->get_char_size(' ', p_base_font_size).width + p_base_font->get_spacing(TextServer::SPACING_SPACE))));
 		l.text_buf->tab_align(tabs);
 	}
 
@@ -523,7 +523,7 @@ float RichTextLabel::_shape_line(ItemFrame *p_frame, int p_line, const Ref<Font>
 		l.text_buf->tab_align(tab_stops);
 	} else if (tab_size > 0) { // Align inline tabs.
 		Vector<float> tabs;
-		tabs.push_back(tab_size * p_base_font->get_char_size(' ', p_base_font_size).width);
+		tabs.push_back(MAX(1, tab_size * (p_base_font->get_char_size(' ', p_base_font_size).width + p_base_font->get_spacing(TextServer::SPACING_SPACE))));
 		l.text_buf->tab_align(tabs);
 	}
 
@@ -1819,12 +1819,12 @@ float RichTextLabel::_find_click_in_line(ItemFrame *p_frame, int p_line, const V
 						font_size = font_size_it->font_size;
 					}
 					if (rtl) {
-						stop += tab_size * font->get_char_size(' ', font_size).width;
+						stop += MAX(1, tab_size * (font->get_char_size(' ', font_size).width + font->get_spacing(TextServer::SPACING_SPACE)));
 						if (stop > p_click.x) {
 							break;
 						}
 					} else {
-						stop -= tab_size * font->get_char_size(' ', font_size).width;
+						stop -= MAX(1, tab_size * (font->get_char_size(' ', font_size).width + font->get_spacing(TextServer::SPACING_SPACE)));
 						if (stop < p_click.x) {
 							break;
 						}
@@ -3271,7 +3271,7 @@ int RichTextLabel::_find_margin(Item *p_item, const Ref<Font> &p_base_font, int
 			if (font_size_it && font_size_it->font_size > 0) {
 				font_size = font_size_it->font_size;
 			}
-			margin += tab_size * font->get_char_size(' ', font_size).width;
+			margin += MAX(1, tab_size * (font->get_char_size(' ', font_size).width + font->get_spacing(TextServer::SPACING_SPACE)));
 
 		} else if (item->type == ITEM_LIST) {
 			Ref<Font> font = p_base_font;
@@ -3290,7 +3290,7 @@ int RichTextLabel::_find_margin(Item *p_item, const Ref<Font> &p_base_font, int
 			if (font_size_it && font_size_it->font_size > 0) {
 				font_size = font_size_it->font_size;
 			}
-			margin += tab_size * font->get_char_size(' ', font_size).width;
+			margin += MAX(1, tab_size * (font->get_char_size(' ', font_size).width + font->get_spacing(TextServer::SPACING_SPACE)));
 		}
 
 		item = item->parent;
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 13a32cc0222..c820623b4fa 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -348,7 +348,7 @@ void TextEdit::Text::invalidate_cache(int p_line, bool p_text_changed) {
 	// Apply tab align.
 	if (tab_size > 0) {
 		Vector<float> tabs;
-		tabs.push_back(font->get_char_size(' ', font_size).width * tab_size);
+		tabs.push_back(MAX(1, (font->get_char_size(' ', font_size).width + font->get_spacing(TextServer::SPACING_SPACE)) * tab_size));
 		text_line.data_buf->tab_align(tabs);
 	}
 
@@ -394,7 +394,7 @@ void TextEdit::Text::invalidate_all_lines() {
 		if (tab_size_dirty) {
 			if (tab_size > 0) {
 				Vector<float> tabs;
-				tabs.push_back(font->get_char_size(' ', font_size).width * tab_size);
+				tabs.push_back(MAX(1, (font->get_char_size(' ', font_size).width + font->get_spacing(TextServer::SPACING_SPACE)) * tab_size));
 				text[i].data_buf->tab_align(tabs);
 			}
 		}
@@ -3350,7 +3350,7 @@ void TextEdit::_update_placeholder() {
 
 	if (get_tab_size() > 0) {
 		Vector<float> tabs;
-		tabs.push_back(theme_cache.font->get_char_size(' ', theme_cache.font_size).width * get_tab_size());
+		tabs.push_back(MAX(1, (theme_cache.font->get_char_size(' ', theme_cache.font_size).width + theme_cache.font->get_spacing(TextServer::SPACING_SPACE)) * get_tab_size()));
 		placeholder_data_buf->tab_align(tabs);
 	}