diff --git a/Build/Fissile.pm b/Build/Fissile.pm
index 07a336a9..ab16086e 100644
--- a/Build/Fissile.pm
+++ b/Build/Fissile.pm
@@ -22,7 +22,7 @@ package Build::Fissile;
 
 use strict;
 
-eval { require YAML::XS; };
+eval { require YAML::XS; $YAML::XS::LoadBlessed = 0; };
 *YAML::XS::LoadFile = sub {die("YAML::XS is not available\n")} unless defined &YAML::XS::LoadFile;
 
 sub parse {
diff --git a/build-recipe-fissile b/build-recipe-fissile
index dd795a94..001543d7 100644
--- a/build-recipe-fissile
+++ b/build-recipe-fissile
@@ -108,7 +108,7 @@ recipe_build_fissile() {
 
     # Save the resulting images to tarballs.
     mkdir -p $BUILD_ROOT$TOPDIR/FISSILE
-    non_built_images=$(perl -MYAML::XS -e "print join('|', @{YAML::XS::LoadFile('$BUILD_ROOT$TOPDIR/SOURCES/fissile.yml')->{'DockerImageDeps'}})")
+    non_built_images=$(perl -MYAML::XS -e "$YAML::XS::LoadBlessed = 0; print join('|', @{YAML::XS::LoadFile('$BUILD_ROOT$TOPDIR/SOURCES/fissile.yml')->{'DockerImageDeps'}})")
 
     for image in $(chroot $BUILD_ROOT docker images --format "{{.Repository}}:{{.Tag}}" | grep -v $non_built_images); do
         echo "Saving image $image"