diff --git a/vlsisapd/src/utilities/src/Path.cpp b/vlsisapd/src/utilities/src/Path.cpp
index b43d4683..a8d50c56 100644
--- a/vlsisapd/src/utilities/src/Path.cpp
+++ b/vlsisapd/src/utilities/src/Path.cpp
@@ -18,6 +18,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <cstdlib>
 #include <cstring>
 #include <iostream>
 #include <sstream>