diff --git a/main.cpp b/main.cpp
index ed7ab0e..8ff5307 100644
--- a/main.cpp
+++ b/main.cpp
@@ -181,8 +181,8 @@ int process_faces(const world_t* world, const std::vector<ps1bsp_texture_t>& tex
 			t = (t - minT) / (maxT - minT);
 
 			// Rescale the UVs to the dimensions of the mipmap we've selected for our texture atlas
-			faceVertex.u = (unsigned char)(s * ps1tex.w);
-			faceVertex.v = (unsigned char)(t * ps1tex.h);
+			faceVertex.u = (unsigned char)(s * (ps1tex.w - 1));
+			faceVertex.v = (unsigned char)(t * (ps1tex.h - 1));
 
 			outFaceVertices.push_back(faceVertex);
 		}