diff --git a/Tests/LibWeb/Layout/expected/flex/align-self-end-crash.txt b/Tests/LibWeb/Layout/expected/flex/align-self-end-crash.txt
new file mode 100644
index 0000000000..4a51759dd0
--- /dev/null
+++ b/Tests/LibWeb/Layout/expected/flex/align-self-end-crash.txt
@@ -0,0 +1,4 @@
+Viewport <#document> at (0,0) content-size 800x600 children: not-inline
+ BlockContainer at (0,0) content-size 800x16 [BFC] children: not-inline
+ Box
at (8,8) content-size 784x0 flex-container(row) [FFC] children: not-inline
+ BlockContainer at (8,8) content-size 0x0 flex-item [BFC] children: not-inline
diff --git a/Tests/LibWeb/Layout/input/flex/align-self-end-crash.html b/Tests/LibWeb/Layout/input/flex/align-self-end-crash.html
new file mode 100644
index 0000000000..5eb7a435c0
--- /dev/null
+++ b/Tests/LibWeb/Layout/input/flex/align-self-end-crash.html
@@ -0,0 +1,4 @@
+
\ No newline at end of file
diff --git a/Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp b/Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp
index fa003852a3..c32c72521f 100644
--- a/Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp
+++ b/Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp
@@ -1447,6 +1447,8 @@ CSS::AlignItems FlexFormattingContext::alignment_for_item(Box const& box) const
switch (box.computed_values().align_self()) {
case CSS::AlignSelf::Auto:
return flex_container().computed_values().align_items();
+ case CSS::AlignSelf::End:
+ return CSS::AlignItems::End;
case CSS::AlignSelf::Normal:
return CSS::AlignItems::Normal;
case CSS::AlignSelf::SelfStart: