diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index 5d33681847a41..2764b7435eb2d 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -1969,4 +1969,8 @@ details.undocumented[open] > summary::before {
 	.docblock {
 		margin-left: 12px;
 	}
+
+	.docblock code {
+		overflow-wrap: anywhere;
+	}
 }
diff --git a/src/test/rustdoc-gui/docblock-big-code-mobile.goml b/src/test/rustdoc-gui/docblock-big-code-mobile.goml
new file mode 100644
index 0000000000000..12677a5648a2d
--- /dev/null
+++ b/src/test/rustdoc-gui/docblock-big-code-mobile.goml
@@ -0,0 +1,9 @@
+// If we have a long `<code>`, we need to ensure that it'll be fully displayed on mobile, meaning
+// that it'll be on two lines.
+emulate: "iPhone 8" // it has the following size: (375, 667)
+goto: file://|DOC_PATH|/test_docs/long_code_block/index.html
+// We now check that the block is on two lines:
+show-text: true // We need to enable text draw to be able to have the "real" size
+// Little explanations for this test: if the text wasn't displayed on two lines, it would take
+// around 20px (which is the font size).
+assert-property: (".docblock p > code", {"offsetHeight": "42"})
diff --git a/src/test/rustdoc-gui/src/test_docs/lib.rs b/src/test/rustdoc-gui/src/test_docs/lib.rs
index 0aa1426a36abf..2a147e64d8bf2 100644
--- a/src/test/rustdoc-gui/src/test_docs/lib.rs
+++ b/src/test/rustdoc-gui/src/test_docs/lib.rs
@@ -120,3 +120,6 @@ pub type SomeType = u32;
 pub mod huge_amount_of_consts {
     include!(concat!(env!("OUT_DIR"), "/huge_amount_of_consts.rs"));
 }
+
+/// Very long code text `hereIgoWithLongTextBecauseWhyNotAndWhyWouldntI`.
+pub mod long_code_block {}