diff --git a/gsk/gpu/gskgpunodeprocessor.c b/gsk/gpu/gskgpunodeprocessor.c
index d3bc55cb16..0349abe0bd 100644
--- a/gsk/gpu/gskgpunodeprocessor.c
+++ b/gsk/gpu/gskgpunodeprocessor.c
@@ -2104,7 +2104,7 @@ gsk_gpu_node_processor_add_inset_shadow_node (GskGpuNodeProcessor *self,
   spread = gsk_inset_shadow_node_get_spread (node);
   blur_radius = gsk_inset_shadow_node_get_blur_radius (node);
 
-  if (blur_radius == 0)
+  if (blur_radius < 0.01)
     {
       float color[4]; 
 
@@ -2156,7 +2156,7 @@ gsk_gpu_node_processor_add_outset_shadow_node (GskGpuNodeProcessor *self,
   dx = gsk_outset_shadow_node_get_dx (node);
   dy = gsk_outset_shadow_node_get_dy (node);
 
-  if (blur_radius == 0)
+  if (blur_radius < 0.01)
     {
       GskRoundedRect outline;
       float color[4]; 
diff --git a/testsuite/gsk/compare/outset-shadow-corner-blur-tiny.node b/testsuite/gsk/compare/outset-shadow-corner-blur-tiny.node
new file mode 100644
index 0000000000..a61362eb6d
--- /dev/null
+++ b/testsuite/gsk/compare/outset-shadow-corner-blur-tiny.node
@@ -0,0 +1,11 @@
+color {
+  bounds: 0 0 100 100;
+  color: rgba(0,0,0,0);
+}
+clip {
+  clip: 10 10 20 20;
+  child: outset-shadow {
+    blur: 0.00001;
+    outline: 0 0 100 100 / 100 0 100 0;
+  }
+}
diff --git a/testsuite/gsk/compare/outset-shadow-corner-blur-tiny.png b/testsuite/gsk/compare/outset-shadow-corner-blur-tiny.png
new file mode 100644
index 0000000000..eea25d772f
Binary files /dev/null and b/testsuite/gsk/compare/outset-shadow-corner-blur-tiny.png differ
diff --git a/testsuite/gsk/meson.build b/testsuite/gsk/meson.build
index e9da909412..55f6c88726 100644
--- a/testsuite/gsk/meson.build
+++ b/testsuite/gsk/meson.build
@@ -121,6 +121,7 @@ compare_render_tests = [
   'opacity-overlapping-children',
   'outset-shadow-corner-blur',
   'outset-shadow-corner-blur-huge-nocairo-nogl',
+  'outset-shadow-corner-blur-tiny',
   'outset_shadow_offset_both',
   'outset_shadow_offset_x',
   'outset_shadow_offset_y',