diff --git a/src/applications/diffusion/query/rawdiff/DiffusionGitRawDiffQuery.php b/src/applications/diffusion/query/rawdiff/DiffusionGitRawDiffQuery.php
index 18e5a9ec9a..41d91c00ca 100644
--- a/src/applications/diffusion/query/rawdiff/DiffusionGitRawDiffQuery.php
+++ b/src/applications/diffusion/query/rawdiff/DiffusionGitRawDiffQuery.php
@@ -23,7 +23,7 @@ final class DiffusionGitRawDiffQuery extends DiffusionRawDiffQuery {
       // Check if this is the root commit by seeing if it has parents, since
       // `git diff X^ X` does not work if "X" is the initial commit.
       list($parents) = $repository->execxLocalCommand(
-        'log --format=%s %s --',
+        'log -n 1 --format=%s %s --',
         '%P',
         $commit);