1 files changed, 1 insertions, 1 deletions
diff --git a/public-inbox.cgi b/public-inbox.cgi
index 6f20e145..557d4923 100755
--- a/public-inbox.cgi
+++ b/public-inbox.cgi
@@ -149,7 +149,7 @@ sub mid2blob {
          require IPC::Run;
          my ($in, $blob, $err);
          open my $null, '+<', '/dev/null' or die "open: $!\n";
-        IPC::Run::run(['git', '--git-dir', $ctx->{git_dir},
+        IPC::Run::run(['git', "--git-dir=$ctx->{git_dir}",
                          qw(cat-file blob), "HEAD:$1/$2"],
                          $null, \$blob, $null);
          $? == 0 ? \$blob : undef;