diff --git a/config.d b/config.d
index 6fd914d1d3..7010637f14 100644
--- a/config.d
+++ b/config.d
@@ -50,9 +50,11 @@ string generateVersion(const string versionFile)
 {
     import std.process : execute;
     import std.file : readText;
+    import std.path : dirName;
     import std.string : strip;
 
-    const result = execute(["git", "describe", "--dirty"]);
+    enum workDir = __FILE_FULL_PATH__.dirName;
+    const result = execute(["git", "-C", workDir, "describe", "--dirty"]);
 
     return result.status == 0 ? result.output.strip : versionFile.readText;
 }