diff --git a/src/components/layout/block.rs b/src/components/layout/block.rs
index e72515088c2..50dfd7e3a3e 100644
--- a/src/components/layout/block.rs
+++ b/src/components/layout/block.rs
@@ -1574,10 +1574,11 @@ impl Flow for BlockFlow {
}
fn assign_block_size<'a>(&mut self, ctx: &'a LayoutContext<'a>) {
- // Assign block-size for fragment if it is an image fragment.
- self.fragment.assign_replaced_block_size_if_necessary();
- if self.is_float() {
+ if self.is_replaced_content() {
+ // Assign block-size for fragment if it is an image fragment.
+ self.fragment.assign_replaced_block_size_if_necessary();
+ } else if self.is_float() {
debug!("assign_block_size_float: assigning block_size for float");
self.assign_block_size_float(ctx);
} else {
diff --git a/src/test/ref/basic.list b/src/test/ref/basic.list
index d40f1b1456c..3a36b86aa4f 100644
--- a/src/test/ref/basic.list
+++ b/src/test/ref/basic.list
@@ -91,3 +91,5 @@ flaky_cpu == linebreak_simple_a.html linebreak_simple_b.html
== inline_whitespace_b.html inline_whitespace_ref.html
== inline_whitespace_a.html inline_whitespace_ref.html
== line_height_a.html line_height_ref.html
+== block_replaced_content_a.html block_replaced_content_ref.html
+== block_replaced_content_b.html block_replaced_content_ref.html
diff --git a/src/test/ref/block_replaced_content_a.html b/src/test/ref/block_replaced_content_a.html
new file mode 100644
index 00000000000..24dd273c908
--- /dev/null
+++ b/src/test/ref/block_replaced_content_a.html
@@ -0,0 +1,18 @@
+
+
+
+
+
+
+ 
+
+
diff --git a/src/test/ref/block_replaced_content_b.html b/src/test/ref/block_replaced_content_b.html
new file mode 100644
index 00000000000..b021434ba20
--- /dev/null
+++ b/src/test/ref/block_replaced_content_b.html
@@ -0,0 +1,18 @@
+
+
+
+
+
+
+
+
+
diff --git a/src/test/ref/block_replaced_content_ref.html b/src/test/ref/block_replaced_content_ref.html
new file mode 100644
index 00000000000..4d48d763eb7
--- /dev/null
+++ b/src/test/ref/block_replaced_content_ref.html
@@ -0,0 +1,15 @@
+
+
+
+
+
+
+
+
+