diff --git a/debian/lenny/applications/twin-style-crystal/debian/dirs b/debian/lenny/applications/twin-style-crystal/debian/dirs
index 93234e6f8..5bdbb8a8d 100644
--- a/debian/lenny/applications/twin-style-crystal/debian/dirs
+++ b/debian/lenny/applications/twin-style-crystal/debian/dirs
@@ -1,2 +1,2 @@
-usr/trinity/lib/trinity
-usr/share/apps/twin
+opt/trinity/lib/trinity
+opt/trinity/share/apps/twin
diff --git a/debian/squeeze/applications/twin-style-crystal/debian/dirs b/debian/squeeze/applications/twin-style-crystal/debian/dirs
index 93234e6f8..5bdbb8a8d 100644
--- a/debian/squeeze/applications/twin-style-crystal/debian/dirs
+++ b/debian/squeeze/applications/twin-style-crystal/debian/dirs
@@ -1,2 +1,2 @@
-usr/trinity/lib/trinity
-usr/share/apps/twin
+opt/trinity/lib/trinity
+opt/trinity/share/apps/twin
diff --git a/debian/wheezy/applications/twin-style-crystal/debian/dirs b/debian/wheezy/applications/twin-style-crystal/debian/dirs
index 93234e6f8..5bdbb8a8d 100644
--- a/debian/wheezy/applications/twin-style-crystal/debian/dirs
+++ b/debian/wheezy/applications/twin-style-crystal/debian/dirs
@@ -1,2 +1,2 @@
-usr/trinity/lib/trinity
-usr/share/apps/twin
+opt/trinity/lib/trinity
+opt/trinity/share/apps/twin
diff --git a/ubuntu/maverick/applications/twin-style-crystal/debian/dirs b/ubuntu/maverick/applications/twin-style-crystal/debian/dirs
index 93234e6f8..5bdbb8a8d 100644
--- a/ubuntu/maverick/applications/twin-style-crystal/debian/dirs
+++ b/ubuntu/maverick/applications/twin-style-crystal/debian/dirs
@@ -1,2 +1,2 @@
-usr/trinity/lib/trinity
-usr/share/apps/twin
+opt/trinity/lib/trinity
+opt/trinity/share/apps/twin
diff --git a/ubuntu/precise/applications/twin-style-crystal/debian/dirs b/ubuntu/precise/applications/twin-style-crystal/debian/dirs
index 93234e6f8..5bdbb8a8d 100644
--- a/ubuntu/precise/applications/twin-style-crystal/debian/dirs
+++ b/ubuntu/precise/applications/twin-style-crystal/debian/dirs
@@ -1,2 +1,2 @@
-usr/trinity/lib/trinity
-usr/share/apps/twin
+opt/trinity/lib/trinity
+opt/trinity/share/apps/twin