diff --git a/ChangeLog b/ChangeLog
index 30bece19..8283817f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-16  Jay Berkenbilt  <ejb@ql.org>
+
+	* Fix memory error in Windows-only code from typo. Fixes #330.
+
 2019-04-27  Jay Berkenbilt  <ejb@ql.org>
 
 	* 8.4.1: release
diff --git a/libqpdf/QUtil.cc b/libqpdf/QUtil.cc
index 816c2dfa..17e958ca 100644
--- a/libqpdf/QUtil.cc
+++ b/libqpdf/QUtil.cc
@@ -371,7 +371,7 @@ QUtil::safe_fopen(char const* filename, char const* mode)
                 (static_cast<unsigned char>(u16.at(i)) << 8) +
                 static_cast<unsigned char>(u16.at(i+1)));
     }
-    PointerHolder<wchar_t> wmodep(true, new wchar_t(strlen(mode) + 1));
+    PointerHolder<wchar_t> wmodep(true, new wchar_t[strlen(mode) + 1]);
     wchar_t* wmode = wmodep.getPointer();
     wmode[strlen(mode)] = 0;
     for (size_t i = 0; i < strlen(mode); ++i)