diff --git a/build-all.sh b/build-all.sh
index 839c579..799ea01 100755
--- a/build-all.sh
+++ b/build-all.sh
@@ -4,8 +4,8 @@ set -e
 SOURCE_DIR=$(realpath $(dirname "${0}"))
 
 # Install build scripts
-cp ${SOURCE_DIR}/zz-extra/lxc-build /usr/bin/lxc-build
-cp ${SOURCE_DIR}/zz-extra/fix-apk /usr/bin/fix-apk
+ln -s ${SOURCE_DIR}/zz-extra/lxc-build /usr/bin/lxc-build
+ln -s ${SOURCE_DIR}/zz-extra/fix-apk /usr/bin/fix-apk
 
 # Build basic Alpine LXC image
 mkdir -p /var/lib/lxc/shared/alpine
diff --git a/zz-extra/fix-apk b/zz-extra/fix-apk
new file mode 100644
index 0000000..1092e7b
--- /dev/null
+++ b/zz-extra/fix-apk
@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+
+import os
+import sys
+
+def fix_installed(layers):
+    installed = []
+    for layer in layers[:-1]:
+        with open(os.path.join(layer, 'lib/apk/db/installed'), 'r') as fd:
+            buffer = []
+            for line in df:
+                if line.startswith('C:'):
+                    buffer = ''.join(buffer)
+                    if buffer not in installed:
+                        installed.append(buffer)
+                    buffer = []
+                buffer.append(line)
+    os.makedirs(os.path.join(layers[-1], 'lib/apk/db', 0o755, True))
+        with open(os.path.join(layers[-1], 'lib/apk/db/installed'), 'w') as fd:
+            fd.writelines(world_items)
+
+def fix_world(layers):
+    world = []
+    for layer in layers[:-1]:
+        with open(os.path.join(layer, 'etc/apk/world'), 'r') as fd:
+            for line in fd:
+                if line in world:
+                    world.append(world)
+    os.makedirs(os.path.join(layers[-1], 'etc/apk', 0o755, True))
+        with open(os.path.join(layers[-1], 'etc/apk/world'), 'w') as fd:
+            fd.writelines(world_items)
+
+fix_installed(sys.argv)
+fix_world(sys.argv)
diff --git a/zz-extra/lxc-build b/zz-extra/lxc-build
index 882b28e..2bc71a5 100755
--- a/zz-extra/lxc-build
+++ b/zz-extra/lxc-build
@@ -73,11 +73,12 @@ class LXCImage:
         script_eof = None
 
         for line in lxcfile:
-            if script_eof and line == script_eof:
-                script_eof = None
-                self.run_script(script)
-            elif in_script:
-                script.append(line)
+            if script_eof:
+                if line == script_eof:
+                    script_eof = None
+                    self.run_script(script)
+                elif in_script:
+                    script.append(line)
             elif line.startswith('RUN'):
                 script = []
                 script_eof = line.split()[1]