diff --git a/test/pthread-same-source.c b/test/pthread-same-source.c
index 570c91d75..50102d984 100644
--- a/test/pthread-same-source.c
+++ b/test/pthread-same-source.c
@@ -92,11 +92,15 @@ create_source (cairo_surface_t *similar)
                                            2, 2);
 
     cr = cairo_create (source);
+    cairo_surface_destroy (source);
+
     for (i = 0; i < 4; i++) {
       cairo_set_source_rgb (cr, colors[i][0], colors[i][1], colors[i][2]);
       cairo_rectangle (cr, i % 2, i / 2, 1, 1);
       cairo_fill (cr);
     }
+
+    source = cairo_surface_reference (cairo_get_target (cr));
     cairo_destroy (cr);
 
     return source;
@@ -128,6 +132,8 @@ draw (cairo_t *cr, int width, int height)
         }
     }
 
+    cairo_surface_destroy (source);
+
     cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
     cairo_paint (cr);