diff --git a/qglview/shaders/ssr.vert b/qglview/shaders/ssr.vert
index 5f1b671..0e2d5fe 100644
--- a/qglview/shaders/ssr.vert
+++ b/qglview/shaders/ssr.vert
@@ -6,5 +6,5 @@ out vec3 view_dir;
 void main(void) {
 	view_dir = view_corner / view_corner.z;
 	qgl_FragTexture = qgl_Texture;
-	gl_Position = vec4(qgl_Vertex,1);
+	gl_Position = qgl_ftransform();
 }
diff --git a/qglview/shaders/ssr_blur.vert b/qglview/shaders/ssr_blur.vert
index 964e691..6bc001e 100644
--- a/qglview/shaders/ssr_blur.vert
+++ b/qglview/shaders/ssr_blur.vert
@@ -2,5 +2,5 @@
 
 void main(void) {
 	qgl_FragTexture = qgl_Texture;
-	gl_Position = vec4(qgl_Vertex,1);
+	gl_Position = qgl_ftransform();
 }
diff --git a/qglview/shaders/ssr_merge.vert b/qglview/shaders/ssr_merge.vert
index 964e691..6bc001e 100644
--- a/qglview/shaders/ssr_merge.vert
+++ b/qglview/shaders/ssr_merge.vert
@@ -2,5 +2,5 @@
 
 void main(void) {
 	qgl_FragTexture = qgl_Texture;
-	gl_Position = vec4(qgl_Vertex,1);
+	gl_Position = qgl_ftransform();
 }