diff --git a/stepmania/src/RageDisplay_D3D.cpp b/stepmania/src/RageDisplay_D3D.cpp
index 3feafd627f..4aa0e6f4af 100644
--- a/stepmania/src/RageDisplay_D3D.cpp
+++ b/stepmania/src/RageDisplay_D3D.cpp
@@ -774,7 +774,7 @@ public:
 			{
 				for( unsigned j=0; j<Triangles.size(); j++ )
 					for( unsigned k=0; k<3; k++ )
-						m_vTriangles[meshInfo.iTriangleStart+j].nVertexIndices[k] = (word)meshInfo.iVertexStart + Triangles[j].nVertexIndices[k];
+						m_vTriangles[meshInfo.iTriangleStart+j].nVertexIndices[k] = (uint16_t) meshInfo.iVertexStart + Triangles[j].nVertexIndices[k];
 			}
 		}
 	}
diff --git a/stepmania/src/RageDisplay_OGL.cpp b/stepmania/src/RageDisplay_OGL.cpp
index 5b766ea1ea..3185a429f7 100644
--- a/stepmania/src/RageDisplay_OGL.cpp
+++ b/stepmania/src/RageDisplay_OGL.cpp
@@ -938,7 +938,7 @@ public:
 					for( unsigned k=0; k<3; k++ )
 					{
 						int iVertexIndexInVBO = meshInfo.iVertexStart + Triangles[j].nVertexIndices[k];
-						m_vTriangles[meshInfo.iTriangleStart+j].nVertexIndices[k] = (word) iVertexIndexInVBO;
+						m_vTriangles[meshInfo.iTriangleStart+j].nVertexIndices[k] = (uint16_t) iVertexIndexInVBO;
 					}
 			}
 		}