diff --git a/project/jni/application/supertux/AndroidAppSettings.cfg b/project/jni/application/supertux/AndroidAppSettings.cfg
index 5196f1934..514c6ccb9 100644
--- a/project/jni/application/supertux/AndroidAppSettings.cfg
+++ b/project/jni/application/supertux/AndroidAppSettings.cfg
@@ -7,10 +7,10 @@ AppName="SuperTux"
 AppFullName=org.lethargik.supertux2
 
 # Application version code (integer)
-AppVersionCode=06324
+AppVersionCode=06323
 
 # Application user-visible version name (string)
-AppVersionName="0.6.3.24"
+AppVersionName="0.6.3.23"
 
 # Specify path to download application data in zip archive in the form "Description|URL|MirrorURL^Description2|URL2|MirrorURL2^..."
 # If you'll start Description with '!' symbol it will be enabled by default, '!!' will also hide the entry from the menu, so it cannot be disabled
diff --git a/project/jni/application/supertux/AndroidPreBuild.sh b/project/jni/application/supertux/AndroidPreBuild.sh
index 74ff4b895..428d8479c 100755
--- a/project/jni/application/supertux/AndroidPreBuild.sh
+++ b/project/jni/application/supertux/AndroidPreBuild.sh
@@ -9,4 +9,4 @@ if [ -e $HOME/.local/share/supertux2/tilecache ]; then
 	mkdir -p tilecache
 	cp -f $HOME/.local/share/supertux2/tilecache/* tilecache/
 fi
-zip -r -9 $OUT .
+zip -r -0 $OUT .
diff --git a/project/jni/application/supertux/supertux b/project/jni/application/supertux/supertux
index 72450986d..e8c34d4c9 160000
--- a/project/jni/application/supertux/supertux
+++ b/project/jni/application/supertux/supertux
@@ -1 +1 @@
-Subproject commit 72450986d7be809aae6d3718e41aa734028395ed
+Subproject commit e8c34d4c97dc1a293a64edc71e1b00192285093e