diff --git a/tools/linux_packaging/build b/tools/linux_packaging/build
index 580b0af613..93bbcc95b8 100755
--- a/tools/linux_packaging/build
+++ b/tools/linux_packaging/build
@@ -114,7 +114,7 @@ case `uname -m` in
 esac
 
 # Figure out the Build Type
-if grep -q "DEBUG = True" ../../build/c4che/default.cache.py; then
+if grep -q "DEBUG = True" ../../build/c4che/_cache.py; then
 	DEBUG="T"
 else
 	DEBUG="F"