diff --git a/scene/resources/material.h b/scene/resources/material.h
index c2501a258f4..8e66011bec4 100644
--- a/scene/resources/material.h
+++ b/scene/resources/material.h
@@ -249,7 +249,7 @@ private:
 			uint64_t blend_mode : 2;
 			uint64_t depth_draw_mode : 2;
 			uint64_t cull_mode : 2;
-			uint64_t flags : 18;
+			uint64_t flags : 19;
 			uint64_t detail_blend_mode : 2;
 			uint64_t diffuse_mode : 3;
 			uint64_t specular_mode : 3;