diff --git a/dlls/wined3d/shader_sm4.c b/dlls/wined3d/shader_sm4.c
index 5afe612da21..061ab51d024 100644
--- a/dlls/wined3d/shader_sm4.c
+++ b/dlls/wined3d/shader_sm4.c
@@ -1320,6 +1320,9 @@ static void *shader_sm4_init(const DWORD *byte_code, size_t byte_code_size,
     {
         struct wined3d_shader_signature_element *e = &output_signature->elements[i];
 
+        if (priv->shader_version.type == WINED3D_SHADER_TYPE_PIXEL
+                && _strnicmp(e->semantic_name, "SV_TARGET", -1))
+            continue;
         if (e->register_idx >= ARRAY_SIZE(priv->output_map))
         {
             WARN("Invalid output index %u.\n", e->register_idx);