diff --git a/src/mg_ore.cpp b/src/mg_ore.cpp
index dfcb1a1d9f6d31338aedb835a35819afea07e703..c62f05860edb72078c98bfcb2e88630d75b2df9c 100644
--- a/src/mg_ore.cpp
+++ b/src/mg_ore.cpp
@@ -263,6 +263,12 @@ void OreBlob::generate(MMVManip *vm, int mapseed, u32 blockseed,
 
 ///////////////////////////////////////////////////////////////////////////////
 
+OreVein::OreVein()
+{
+	noise2 = NULL;
+}
+
+
 OreVein::~OreVein()
 {
 	delete noise2;
diff --git a/src/mg_ore.h b/src/mg_ore.h
index ea713cfcc70de65212ca18356c18e4c5dd3686e0..67ca9a849630f03d1ad5801ab157ecf4e10874e1 100644
--- a/src/mg_ore.h
+++ b/src/mg_ore.h
@@ -105,6 +105,7 @@ class OreVein : public Ore {
 	float random_factor;
 	Noise *noise2;
 
+	OreVein();
 	virtual ~OreVein();
 
 	virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,