diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index d9ff768ae0d..87a22c2bbea 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -1866,6 +1866,7 @@ static void shader_cleanup(struct wined3d_shader *shader)
     HeapFree(GetProcessHeap(), 0, shader->signature_strings);
     shader->device->shader_backend->shader_destroy(shader);
     HeapFree(GetProcessHeap(), 0, shader->reg_maps.constf);
+    HeapFree(GetProcessHeap(), 0, shader->reg_maps.sampler_map.entries);
     HeapFree(GetProcessHeap(), 0, shader->function);
     shader_delete_constant_list(&shader->constantsF);
     shader_delete_constant_list(&shader->constantsB);