diff --git a/src/gallium/drivers/zink/zink_compiler.c b/src/gallium/drivers/zink/zink_compiler.c
index ce1f70fcad2..a7c91aa31f5 100644
--- a/src/gallium/drivers/zink/zink_compiler.c
+++ b/src/gallium/drivers/zink/zink_compiler.c
@@ -1097,13 +1097,20 @@ lower_line_smooth_gs(nir_shader *shader)
    if (!state.pos_out)
       return false;
 
+   unsigned location = 0;
+   nir_foreach_shader_in_variable(var, shader) {
+     if (var->data.driver_location >= location)
+         location = var->data.driver_location + 1;
+   }
+
    state.line_coord_out =
       nir_variable_create(shader, nir_var_shader_out, glsl_vec4_type(),
                           "__line_coord");
    state.line_coord_out->data.interpolation = INTERP_MODE_NOPERSPECTIVE;
-   state.line_coord_out->data.driver_location = shader->num_outputs++;
+   state.line_coord_out->data.driver_location = location;
    state.line_coord_out->data.location = MAX2(util_last_bit64(shader->info.outputs_written), VARYING_SLOT_VAR0);
    shader->info.outputs_written |= BITFIELD64_BIT(state.line_coord_out->data.location);
+   shader->num_outputs++;
 
    // create temp variables
    state.prev_pos = nir_variable_create(shader, nir_var_shader_temp,