diff --git a/scene/resources/dynamic_font.cpp b/scene/resources/dynamic_font.cpp
index c536f9c1d2c..63908cea45e 100644
--- a/scene/resources/dynamic_font.cpp
+++ b/scene/resources/dynamic_font.cpp
@@ -1034,6 +1034,7 @@ SelfList<DynamicFont>::List DynamicFont::dynamic_fonts;
 DynamicFont::DynamicFont() :
 		font_list(this) {
 
+	cache_id.size = 16;
 	spacing_top = 0;
 	spacing_bottom = 0;
 	spacing_char = 0;