diff --git a/src/common/textures/texture.cpp b/src/common/textures/texture.cpp
index eb050ac6cd..83e31f00f7 100644
--- a/src/common/textures/texture.cpp
+++ b/src/common/textures/texture.cpp
@@ -983,6 +983,30 @@ FWrapperTexture::FWrapperTexture(int w, int h, int bits)
 }
 
 
+FGameTexture::FGameTexture(FTexture* wrap) : Base(wrap)
+{
+	id.SetInvalid();
+	TexelWidth = Base->GetWidth();
+	DisplayWidth = (float)TexelWidth;
+	TexelHeight = Base->GetHeight();
+	DisplayHeight = (float)TexelHeight;
+	auto img = Base->GetImage();
+	if (img)
+	{
+		auto ofs = img->GetOffsets();
+		LeftOffset[0] = LeftOffset[1] = ofs.first;
+		TopOffset[0] = TopOffset[1] = ofs.second;
+	}
+	else
+	{
+		LeftOffset[0] = LeftOffset[1] = 
+		TopOffset[0] = TopOffset[1] = 0;
+
+	}
+	ScaleX = ScaleY = 1.f;
+}
+
+
 FGameTexture::~FGameTexture()
 {
 	FGameTexture* link = fileSystem.GetLinkedTexture(GetSourceLump());
diff --git a/src/common/textures/textures.h b/src/common/textures/textures.h
index 99bb97e96a..a24e3b3c40 100644
--- a/src/common/textures/textures.h
+++ b/src/common/textures/textures.h
@@ -569,15 +569,7 @@ class FGameTexture
 	FMaterial* Material[4] = {  };
 
 public:
-	FGameTexture(FTexture* wrap) : Base(wrap) 
-	{
-		id.SetInvalid();
-		TexelWidth = Base->GetWidth();
-		DisplayWidth = (float)TexelWidth;
-		TexelHeight = Base->GetHeight();
-		DisplayHeight = (float)TexelHeight;
-		ScaleX = ScaleY = 1.f;
-	}
+	FGameTexture(FTexture* wrap);
 	~FGameTexture();
 	FTextureID GetID() const { return id; }
 	void SetID(FTextureID newid) { id = newid; }	// should only be called by the texture manager