diff --git a/source/dub/dub.d b/source/dub/dub.d
index 7467444..e0dc8aa 100644
--- a/source/dub/dub.d
+++ b/source/dub/dub.d
@@ -475,7 +475,7 @@
 
 		logInfo("Placing %s %s to %s...", packageId, ver, placement.toNativeString());
 		auto clean_package_version = ver[ver.startsWith("~") ? 1 : 0 .. $];
-		clean_package_version = clean_package_version.replace("+", "$"); // + has special meaning for Optlink
+		clean_package_version = clean_package_version.replace("+", "_"); // + has special meaning for Optlink
 		Path dstpath = placement ~ (packageId ~ "-" ~ clean_package_version);
 
 		return m_packageManager.storeFetchedPackage(tempFile, pinfo, dstpath);