diff --git a/dtool/src/build/initialize b/dtool/src/build/initialize
index 8bb0a5d396..846de4fbae 100755
--- a/dtool/src/build/initialize
+++ b/dtool/src/build/initialize
@@ -18,4 +18,5 @@ if test "$DTOOL" = ""; then
 fi
 PATH=$DTOOL/bin:$PATH
 export PATH
+ppremake
 $* build attach