diff --git a/simgear/misc/path_test.cxx b/simgear/misc/path_test.cxx
index d4a490c4..2d789e64 100644
--- a/simgear/misc/path_test.cxx
+++ b/simgear/misc/path_test.cxx
@@ -3,6 +3,7 @@
 
 #include <iostream>
 #include <cstdlib>
+#include <cstring>
 
 using std::cout;
 using std::cerr;