diff --git a/libs/pbd/pbd/demangle.h b/libs/pbd/pbd/demangle.h
index 45cd9090ec..aecd966f47 100644
--- a/libs/pbd/pbd/demangle.h
+++ b/libs/pbd/pbd/demangle.h
@@ -22,6 +22,7 @@
 
 #include <string>
 #include <cstdlib>
+#include <typeinfo>
 
 #ifdef __GNUC__
 #include <cxxabi.h>