diff --git a/src/textures/vertexcolors.cpp b/src/textures/vertexcolors.cpp
index abaa5bcc..c6f2df18 100644
--- a/src/textures/vertexcolors.cpp
+++ b/src/textures/vertexcolors.cpp
@@ -35,6 +35,7 @@ public:
 	}
 
 	void serialize(Stream *stream, InstanceManager *manager) const {
+		Texture::serialize(stream, manager);
 	}
 
 	Spectrum getValue(const Intersection &its) const {