diff --git a/src/cargo/util/toml/mod.rs b/src/cargo/util/toml/mod.rs
index e2232827885..179f50a053d 100644
--- a/src/cargo/util/toml/mod.rs
+++ b/src/cargo/util/toml/mod.rs
@@ -1235,25 +1235,36 @@ impl TomlManifest {
     }
 
     fn patch(&self, cx: &mut Context<'_, '_>) -> CargoResult<HashMap<Url, Vec<Dependency>>> {
-        let mut patch = HashMap::new();
-        for (url, deps) in self.patch.iter().flat_map(|x| x) {
-            let url = match &url[..] {
-                CRATES_IO_REGISTRY => CRATES_IO_INDEX.parse().unwrap(),
-                _ => cx
-                    .config
-                    .get_registry_index(url)
-                    .or_else(|_| url.into_url())
-                    .chain_err(|| {
-                        format!("[patch] entry `{}` should be a URL or registry name", url)
-                    })?,
-            };
-            patch.insert(
-                url,
-                deps.iter()
-                    .map(|(name, dep)| dep.to_dependency(name, cx, None))
-                    .collect::<CargoResult<Vec<_>>>()?,
-            );
+        fn process_patch(toml_patch: &Option<BTreeMap<String, BTreeMap<String, TomlDependency>>>,
+                         cx: &mut Context<'_, '_>,
+                         patch: &mut HashMap<Url, Vec<Dependency>>) -> CargoResult<()> {
+            for (url, deps) in toml_patch.iter().flat_map(|x| x) {
+                let url = match &url[..] {
+                    CRATES_IO_REGISTRY => CRATES_IO_INDEX.parse().unwrap(),
+                    _ => cx
+                        .config
+                        .get_registry_index(url)
+                        .or_else(|_| url.into_url())
+                        .chain_err(|| {
+                            format!("[patch] entry `{}` should be a URL or registry name", url)
+                        })?,
+                };
+                patch.insert(
+                    url,
+                    deps.iter()
+                        .map(|(name, dep)| dep.to_dependency(name, cx, None))
+                        .collect::<CargoResult<Vec<_>>>()?,
+                );
+            }
+            Ok(())
         }
+
+        let mut patch = HashMap::new();
+        process_patch(&self.patch, cx, &mut patch)?;
+
+        let config_patch: Option<BTreeMap<String, BTreeMap<String, TomlDependency>>> = cx.config.get("patch")?;
+        process_patch(&config_patch, cx, &mut patch)?;
+
         Ok(patch)
     }
 
diff --git a/tests/testsuite/patch.rs b/tests/testsuite/patch.rs
index e3d699cc812..0a18a6a0c83 100644
--- a/tests/testsuite/patch.rs
+++ b/tests/testsuite/patch.rs
@@ -399,6 +399,48 @@ fn add_patch() {
     p.cargo("build").with_stderr("[FINISHED] [..]").run();
 }
 
+#[cargo_test]
+fn patch_in_config() {
+    Package::new("bar", "0.1.0").publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+
+            [dependencies]
+            bar = "0.1.0"
+        "#,
+        )
+        .file(
+            ".cargo/config",
+            r#"
+            [patch.crates-io]
+            bar = { path = 'bar' }
+        "#
+        )
+        .file("src/lib.rs", "")
+        .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
+        .file("bar/src/lib.rs", r#""#)
+        .build();
+
+    p.cargo("build")
+        .with_stderr(
+            "\
+[UPDATING] `[ROOT][..]` index
+[COMPILING] bar v0.1.0 ([CWD]/bar)
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
+",
+        )
+        .run();
+    p.cargo("build").with_stderr("[FINISHED] [..]").run();
+}
+
 #[cargo_test]
 fn add_ignored_patch() {
     Package::new("bar", "0.1.0").publish();