diff --git a/prepare_image b/prepare_image
index e101a14..c6b7a62 100755
--- a/prepare_image
+++ b/prepare_image
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 export IMG=$1
+export LC_ALL=POSIX
 
 RETCODE=0
 
diff --git a/qubeize_image b/qubeize_image
index f30447d..6f0e563 100755
--- a/qubeize_image
+++ b/qubeize_image
@@ -2,6 +2,7 @@
 
 export CLEANIMG=$1
 export NAME=$2
+export LC_ALL=POSIX
 
 . ./builder_setup >/dev/null