diff --git a/src/gfx/mask_image.cpp b/src/gfx/mask_image.cpp
index af456462..31f81ded 100644
--- a/src/gfx/mask_image.cpp
+++ b/src/gfx/mask_image.cpp
@@ -26,7 +26,7 @@ AlphaMask::AlphaMask(const Image& img)
 }
 
 AlphaMask::~AlphaMask() {
-	delete alpha;
+	delete[] alpha;
 }
 
 void AlphaMask::setAlpha(Image& img) const {
diff --git a/src/gui/update_checker.cpp b/src/gui/update_checker.cpp
index d38b3893..66f5b635 100644
--- a/src/gui/update_checker.cpp
+++ b/src/gui/update_checker.cpp
@@ -11,6 +11,7 @@
 #include <util/io/package_manager.hpp>
 #include <util/version.hpp>
 #include <script/value.hpp> // for some strange reason the profile build needs this :(
+#include <script/to_value.hpp>
 #include <wx/dialup.h>
 #include <wx/url.h>
 #include <wx/html/htmlwin.h>
@@ -30,7 +31,10 @@ class PackageVersionData : public IntrusivePtrBase<PackageVersionData> {
 	String  url;						///< Where can the package be downloaded?
 	bool    is_installer;				///< Download url refers to a .mse-installer
 	Version version;					///< Version number of the download
+	Version app_version;				///< The minimium version of MSE required
 	vector<PackageDependencyP> depends;	///< Packages this depends on
+
+	DECLARE_REFLECTION();
 };
 
 /// Information on the latest availible version
@@ -44,10 +48,21 @@ class VersionData : public IntrusivePtrBase<VersionData> {
 	DECLARE_REFLECTION();
 };
 
+IMPLEMENT_REFLECTION(PackageVersionData) {
+	REFLECT(name);
+	REFLECT(description);
+	REFLECT(url);
+	REFLECT(is_installer);
+	REFLECT(version);
+	REFLECT(app_version);
+	REFLECT(depends);
+}
+
 IMPLEMENT_REFLECTION(VersionData) {
 	REFLECT(version);
 	REFLECT(description);
 	REFLECT(new_updates_url);
+	REFLECT(packages);
 }
 
 // The information for the latest version
diff --git a/src/render/text/viewer.cpp b/src/render/text/viewer.cpp
index 4a16e527..dbaac19f 100644
--- a/src/render/text/viewer.cpp
+++ b/src/render/text/viewer.cpp
@@ -59,7 +59,7 @@ size_t TextViewer::Line::posToIndex(double x) const {
 // ----------------------------------------------------------------------------- : TextViewer
 
 // can't be declared in header because we need to know sizeof(Line)
-TextViewer:: TextViewer() {}
+TextViewer:: TextViewer() : justifying (false) {}
 TextViewer::~TextViewer() {}
 
 // ----------------------------------------------------------------------------- : Drawing
diff --git a/src/util/io/reader.cpp b/src/util/io/reader.cpp
index d53866ae..b3286851 100644
--- a/src/util/io/reader.cpp
+++ b/src/util/io/reader.cpp
@@ -26,6 +26,7 @@ Reader::Reader(const InputStreamP& input, const String& filename, bool ignore_in
 Reader::Reader(const String& filename)
 	: indent(0), expected_indent(0), state(OUTSIDE)
 	, filename(filename), line_number(0), previous_line_number(0)
+	, ignore_invalid(false)
 	, input(packages.openFileFromPackage(filename))
 {
 	moveNext();