diff --git a/PowerEditor/src/TinyXml/tinyXmlA/tinystrA.h b/PowerEditor/src/TinyXml/tinyXmlA/tinystrA.h
index 8275fb52..81181e81 100644
--- a/PowerEditor/src/TinyXml/tinyXmlA/tinystrA.h
+++ b/PowerEditor/src/TinyXml/tinyXmlA/tinystrA.h
@@ -25,6 +25,7 @@ distribution.
 #ifndef TINYXMLA_INCLUDED
 #include "tinyxmlA.h"
 #endif TINYXMLA_INCLUDED
+#include <cassert>
 
 #ifndef TIXMLA_USE_STL
 
diff --git a/PowerEditor/src/TinyXml/tinystr.h b/PowerEditor/src/TinyXml/tinystr.h
index 20133df4..045faa6a 100644
--- a/PowerEditor/src/TinyXml/tinystr.h
+++ b/PowerEditor/src/TinyXml/tinystr.h
@@ -25,6 +25,7 @@ distribution.
 #ifndef TINYXML_INCLUDED
 #include "tinyxml.h"
 #endif //TINYXML_INCLUDED
+#include <cassert>
 
 #ifndef TIXML_USE_STL