diff --git a/include/qpdf/QPDFExc.hh b/include/qpdf/QPDFExc.hh
index 647c078..968cd04 100644
--- a/include/qpdf/QPDFExc.hh
+++ b/include/qpdf/QPDFExc.hh
@@ -10,6 +10,7 @@
 
 #include <qpdf/DLL.h>
 #include <qpdf/Constants.h>
+#include <stdexcept>
 
 class DLL_EXPORT QPDFExc: public std::runtime_error
 {