diff --git a/dmodels/.gitignore b/dmodels/.gitignore
index 5b8774bc78..33857b21a5 100644
--- a/dmodels/.gitignore
+++ b/dmodels/.gitignore
@@ -1,5 +1,6 @@
 *.egg
 *.pt
+/built/
 Makefile
 bams/
 optchar/
diff --git a/dmodels/Package.pp b/dmodels/Package.pp
index 39e4b768d5..dbfbbdf63a 100644
--- a/dmodels/Package.pp
+++ b/dmodels/Package.pp
@@ -36,17 +36,14 @@
 
 // Where should we install DMODELS?
 #if $[DMODELS_INSTALL]
-  #define DMODELS_INSTALL $[DMODELS_INSTALL]
-  #define DMODELS_INSTALL_OTHER $[DMODELS_INSTALL]
+  #define DMODELS_INSTALL $[unixfilename $[DMODELS_INSTALL]]
 #elif $[or $[CTPROJS],$[DMODELS]]
-  #define DMODELS_INSTALL $[DMODELS]
-  #define DMODELS_INSTALL_OTHER $(DMODELS)
+  #define DMODELS_INSTALL $[DMODELS]/built
   #if $[eq $[DMODELS],]
     #error You seem to be attached to some trees, but not DMODELS!
   #endif
 #else
   #defer DMODELS_INSTALL $[INSTALL_DIR]
-  #defer DMODELS_INSTALL_OTHER $[INSTALL_DIR]
 #endif