diff --git a/tests/test_plot/test_misc.py b/tests/test_plot/test_misc.py
index 0f5962ba..bab9a66e 100644
--- a/tests/test_plot/test_misc.py
+++ b/tests/test_plot/test_misc.py
@@ -1624,7 +1624,7 @@ def test_panelize_1(test_dir):
     prj = 'light_control'
     ctx = context.TestContext(test_dir, prj, 'panelize_2')
     ctx.run(extra=[])
-    ctx.compare_image(prj+'-panel.png')
+    ctx.compare_image(prj+'-panel.png', tol=100)
     ctx.clean_up(keep_project=True)
 
 
diff --git a/tests/test_plot/test_print_pcb.py b/tests/test_plot/test_print_pcb.py
index 7d7ab15b..00c6d103 100644
--- a/tests/test_plot/test_print_pcb.py
+++ b/tests/test_plot/test_print_pcb.py
@@ -129,7 +129,7 @@ def test_pcb_print_simple_1(test_dir):
     ctx.run()
     ctx.expect_out_file(prj+'-F_Cu_mono.png')
     ctx.expect_out_file(prj+'-F_Cu_color.png')
-    ctx.compare_image(prj+'-F_Cu_color.png', height='100%')
+    ctx.compare_image(prj+'-F_Cu_color.png', height='100%', fuzz='10%', tol=50)
     ctx.expect_out_file(prj+'-assembly_page_01.eps')
     ctx.expect_out_file(prj+'-assembly_page_01.svg')
     ctx.expect_out_file(prj+'-assembly.ps')