diff --git a/gtk/gtkcssimageradial.c b/gtk/gtkcssimageradial.c
index 4b36a1e165..d43bf75173 100644
--- a/gtk/gtkcssimageradial.c
+++ b/gtk/gtkcssimageradial.c
@@ -178,7 +178,7 @@ gtk_css_image_radial_snapshot (GtkCssImage *image,
else
pos = MIN (1.0, _gtk_css_number_value_get (stop->offset, hradius) / hradius);
- pos = MAX (pos, 0);
+ pos = MAX (pos, offset);
step = (pos - offset) / (i - last);
for (last = last + 1; last <= i; last++)
{
diff --git a/testsuite/reftests/css-radial-gradient-colorstop-crash.css b/testsuite/reftests/css-radial-gradient-colorstop-crash.css
new file mode 100644
index 0000000000..bc64f2ed0e
--- /dev/null
+++ b/testsuite/reftests/css-radial-gradient-colorstop-crash.css
@@ -0,0 +1,7 @@
+window {
+ background: red;
+}
+
+#test {
+ background: radial-gradient(circle, red 100%, blue 0%, red 100%);
+}
diff --git a/testsuite/reftests/css-radial-gradient-colorstop-crash.ref.ui b/testsuite/reftests/css-radial-gradient-colorstop-crash.ref.ui
new file mode 100644
index 0000000000..778a999b05
--- /dev/null
+++ b/testsuite/reftests/css-radial-gradient-colorstop-crash.ref.ui
@@ -0,0 +1,8 @@
+
+
+
+
diff --git a/testsuite/reftests/css-radial-gradient-colorstop-crash.ui b/testsuite/reftests/css-radial-gradient-colorstop-crash.ui
new file mode 100644
index 0000000000..75379ada9f
--- /dev/null
+++ b/testsuite/reftests/css-radial-gradient-colorstop-crash.ui
@@ -0,0 +1,9 @@
+
+
+
+
diff --git a/testsuite/reftests/meson.build b/testsuite/reftests/meson.build
index 8ef810ae7d..f66ace543c 100644
--- a/testsuite/reftests/meson.build
+++ b/testsuite/reftests/meson.build
@@ -258,6 +258,9 @@ testdata = [
'css-multi-state.css',
'css-multi-state.ref.ui',
'css-multi-state.ui',
+ 'css-radial-gradient-colorstop-crash.css',
+ 'css-radial-gradient-colorstop-crash.ref.ui',
+ 'css-radial-gradient-colorstop-crash.ui',
'data-url.css',
'data-url.ref.ui',
'data-url.ui',