diff --git a/libgit2-sys/build.rs b/libgit2-sys/build.rs
index 0046afafca..41b6041721 100644
--- a/libgit2-sys/build.rs
+++ b/libgit2-sys/build.rs
@@ -24,7 +24,7 @@ fn main() {
 
     println!("cargo:rustc-cfg=libgit2_vendored");
 
-    if !Path::new("libgit2/.git").exists() {
+    if !Path::new("libgit2/src").exists() {
         let _ = Command::new("git")
             .args(&["submodule", "update", "--init", "libgit2"])
             .status();