diff --git a/code/renderergl2/tr_surface.c b/code/renderergl2/tr_surface.c
index 063f4b14..082254b6 100644
--- a/code/renderergl2/tr_surface.c
+++ b/code/renderergl2/tr_surface.c
@@ -128,10 +128,10 @@ void RB_AddQuadStampExt( vec3_t origin, vec3_t left, vec3_t up, float color[4],
 
 	R_VaoPackNormal(iNormal, normal);
 
-	VectorCopy4(tess.normal[ndx], iNormal);
-	VectorCopy4(tess.normal[ndx+1], iNormal);
-	VectorCopy4(tess.normal[ndx+2], iNormal);
-	VectorCopy4(tess.normal[ndx+3], iNormal);
+	VectorCopy4(iNormal, tess.normal[ndx]);
+	VectorCopy4(iNormal, tess.normal[ndx + 1]);
+	VectorCopy4(iNormal, tess.normal[ndx + 2]);
+	VectorCopy4(iNormal, tess.normal[ndx + 3]);
 
 	// standard square texture coordinates
 	VectorSet2(tess.texCoords[ndx  ][0], s1, t1);
@@ -1156,7 +1156,7 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
 
 				if ( tess.shader->vertexAttribs & ATTR_LIGHTDIRECTION )
 				{
-					VectorCopy4(lightdir, dv->lightdir);
+					VectorCopy4(dv->lightdir, lightdir);
 					lightdir += 4;
 				}