diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp
index 0144552448e68..3b36a4363b311 100644
--- a/layout/generic/nsFrame.cpp
+++ b/layout/generic/nsFrame.cpp
@@ -6672,6 +6672,15 @@ nsIFrame::FinishAndStoreOverflow(nsOverflowAreas& aOverflowAreas,
// XXX In theory this should consider margin collapsing
nsRect marginBounds(bounds);
nsMargin margin = GetUsedMargin();
+
+ // Bug 724352 - vertical scrollable overflow only matters for
+ // scroll frames which are block margin roots and has already
+ // accumulated child vertical margins during reflow. We need
+ // to revisit this when using UpdateOverflow for non-transform
+ // style changes (bug 719177).
+ margin.top = 0;
+ margin.bottom = 0;
+
ApplySkipSides(margin);
marginBounds.SaturatingInflate(margin);
nsRect& so = aOverflowAreas.ScrollableOverflow();
diff --git a/layout/reftests/margin-collapsing/reftest.list b/layout/reftests/margin-collapsing/reftest.list
index 2874930f957fb..8814f894853ba 100644
--- a/layout/reftests/margin-collapsing/reftest.list
+++ b/layout/reftests/margin-collapsing/reftest.list
@@ -324,3 +324,5 @@ fails == block-clear-7g-left.html block-clear-7efgh-left-ref2.html # Bug 493380
== block-zero-min-height-3d.html block-zero-min-height-3-ref.html
== block-percent-1.html block-percent-1-ref.html
== dynamic-add-text-1.html dynamic-add-text-1-ref.html # Bug 467321
+== scrollable-vertical-margin.html scrollable-vertical-margin-ref.html
+== scrollable-horizontal-margin.html scrollable-horizontal-margin-ref.html
diff --git a/layout/reftests/margin-collapsing/scrollable-horizontal-margin-ref.html b/layout/reftests/margin-collapsing/scrollable-horizontal-margin-ref.html
new file mode 100644
index 0000000000000..63109d7d632ad
--- /dev/null
+++ b/layout/reftests/margin-collapsing/scrollable-horizontal-margin-ref.html
@@ -0,0 +1,25 @@
+
+
+
+ Testcase for bug 724352
+
+
+
+
+
+
+
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+
diff --git a/layout/reftests/margin-collapsing/scrollable-horizontal-margin.html b/layout/reftests/margin-collapsing/scrollable-horizontal-margin.html
new file mode 100644
index 0000000000000..284565ff41a49
--- /dev/null
+++ b/layout/reftests/margin-collapsing/scrollable-horizontal-margin.html
@@ -0,0 +1,24 @@
+
+
+
+ Testcase for bug 724352
+
+
+
+
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+
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+
diff --git a/layout/reftests/margin-collapsing/scrollable-vertical-margin-ref.html b/layout/reftests/margin-collapsing/scrollable-vertical-margin-ref.html
new file mode 100644
index 0000000000000..280f975335ade
--- /dev/null
+++ b/layout/reftests/margin-collapsing/scrollable-vertical-margin-ref.html
@@ -0,0 +1,66 @@
+
+
+
+ Testcase for bug 724352
+
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+x
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diff --git a/layout/reftests/margin-collapsing/scrollable-vertical-margin.html b/layout/reftests/margin-collapsing/scrollable-vertical-margin.html
new file mode 100644
index 0000000000000..d752417a3b7b3
--- /dev/null
+++ b/layout/reftests/margin-collapsing/scrollable-vertical-margin.html
@@ -0,0 +1,65 @@
+
+
+
+ Testcase for bug 724352
+
+
+
+
+
+
+
+x
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+x
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