diff --git a/PowerEditor/src/NppIO.cpp b/PowerEditor/src/NppIO.cpp
index e3ace2d2e..f83352b50 100644
--- a/PowerEditor/src/NppIO.cpp
+++ b/PowerEditor/src/NppIO.cpp
@@ -2344,5 +2344,5 @@ void Notepad_plus::saveSession(const Session & session)
 
 void Notepad_plus::saveCurrentSession()
 {
-	::PostMessage(_pPublicInterface->getHSelf(), NPPM_INTERNAL_SAVECURRENTSESSION, 0, 0);
+	::SendMessage(_pPublicInterface->getHSelf(), NPPM_INTERNAL_SAVECURRENTSESSION, 0, 0);
 }