diff --git a/utils/deploy_tool/main.cpp b/utils/deploy_tool/main.cpp
index 7eacc6a1..aaf1b389 100644
--- a/utils/deploy_tool/main.cpp
+++ b/utils/deploy_tool/main.cpp
@@ -318,7 +318,7 @@ void copyWildcard(const PIString & from, const PIString & to) {
 	PIFile::FileInfo fi; fi.path = from;
 	system(("robocopy \"" + fi.dir() + "\" \"" + to + "\" \"" + fi.name() + "\" /NJH /NJS /NP /NDL /NS /NC /NFL 1> NUL").data());
 #else
-	system(cmd_copy + from + " \"" + to + "/\"" + cmd_suffix);
+	system((cmd_copy + from + " \"" + to + "/\"" + cmd_suffix).data());
 #endif
 }