diff --git a/commands/import/__tests__/__fixtures__/files-with-non-ascii-char/package.json b/commands/import/__tests__/__fixtures__/files-with-non-ascii-char/package.json
new file mode 100644
index 0000000000..15176de65f
--- /dev/null
+++ b/commands/import/__tests__/__fixtures__/files-with-non-ascii-char/package.json
@@ -0,0 +1,3 @@
+{
+  "name": "files-with-non-ascii-char"
+}
diff --git "a/commands/import/__tests__/__fixtures__/files-with-non-ascii-char/\346\252\224\346\241\210" "b/commands/import/__tests__/__fixtures__/files-with-non-ascii-char/\346\252\224\346\241\210"
new file mode 100644
index 0000000000..6b584e8ece
--- /dev/null
+++ "b/commands/import/__tests__/__fixtures__/files-with-non-ascii-char/\346\252\224\346\241\210"
@@ -0,0 +1 @@
+content
\ No newline at end of file
diff --git a/commands/import/__tests__/import-command.test.js b/commands/import/__tests__/import-command.test.js
index bf9e0f9f2d..5fe50c8080 100644
--- a/commands/import/__tests__/import-command.test.js
+++ b/commands/import/__tests__/import-command.test.js
@@ -129,6 +129,39 @@ describe("ImportCommand", () => {
         })
       ));
 
+    it("supports filepaths that have non-ascii char within the external repo", async () =>
+      Promise.all(
+        // running the same test with and without --flatten
+        [true, false].map(async shouldFlatten => {
+          const [testDir, externalDir] = await Promise.all([
+            initFixture("basic"),
+            initFixture("files-with-non-ascii-char", "Init external commit"),
+          ]);
+          const newPackagePath = path.join(testDir, "packages", path.basename(externalDir));
+
+          await fs.copy(path.join(externalDir, "檔案"), path.join(externalDir, "檔案-copy"));
+          await gitAdd(externalDir, "檔案-copy");
+          await gitCommit(externalDir, "copy");
+
+          await fs.move(path.join(externalDir, "檔案"), path.join(externalDir, "檔案-rename"));
+          await gitAdd(externalDir, "檔案", "檔案-rename");
+          await gitCommit(externalDir, "rename");
+
+          const copyFilePath = path.join(newPackagePath, "檔案-copy");
+          const renameFilePath = path.join(newPackagePath, "檔案-rename");
+
+          if (shouldFlatten) {
+            await lernaImport(testDir)(externalDir, "--flatten");
+          } else {
+            await lernaImport(testDir)(externalDir);
+          }
+
+          expect(await lastCommitInDir(testDir)).toBe("rename");
+          expect(await pathExists(copyFilePath)).toBe(true);
+          expect(await pathExists(renameFilePath)).toBe(true);
+        })
+      ));
+
     it("skips empty patches with --flatten", async () => {
       const [testDir, externalDir] = await initBasicFixtures();
       const filePath = path.join(externalDir, "file.txt");
diff --git a/commands/import/index.js b/commands/import/index.js
index 96c1024832..f3d8ff17f8 100644
--- a/commands/import/index.js
+++ b/commands/import/index.js
@@ -189,11 +189,11 @@ class ImportCommand extends Command {
     // to all affected files.  This moves the git history for the entire
     // external repository into the package subdirectory, commit by commit.
     return patch
-      .replace(/^([-+]{3} COMPARE_[AB])/gm, replacement)
-      .replace(/^(diff --git COMPARE_A)/gm, replacement)
-      .replace(/^(diff --git (?! COMPARE_B\/).+ COMPARE_B)/gm, replacement)
-      .replace(/^(copy (from|to)) /gm, `$1 ${formattedTarget}/`)
-      .replace(/^(rename (from|to)) /gm, `$1 ${formattedTarget}/`);
+      .replace(/^([-+]{3} "?COMPARE_[AB])/gm, replacement)
+      .replace(/^(diff --git "?COMPARE_A)/gm, replacement)
+      .replace(/^(diff --git (?! "?COMPARE_B\/).+ "?COMPARE_B)/gm, replacement)
+      .replace(/^(copy (from|to)) ("?)/gm, `$1 $3${formattedTarget}/`)
+      .replace(/^(rename (from|to)) ("?)/gm, `$1 $3${formattedTarget}/`);
   }
 
   getGitUserFromSha(sha) {