diff --git a/bibop-massive b/bibop-massive
index 0771d5a3..ab4a7e3d 100755
--- a/bibop-massive
+++ b/bibop-massive
@@ -95,8 +95,6 @@ main() {
     exit 0
   fi
 
-  export LC_ALL=C
-
   checkEnv
   configureYUM
   processRecipes "$@"
@@ -446,7 +444,7 @@ checkPackagesAvailability() {
   fi
 
   # shellcheck disable=SC2086
-  aval_list=$(yum -q $opts list availabile $pkg_list 2> /dev/null | grep -v 'Available Packages' | cut -f1 -d" " | sed 's:\..*::' | tr "\n" " " | sed 's/ $//')
+  aval_list=$(LC_ALL=C yum -q $opts list availabile $pkg_list 2> /dev/null | grep -v 'Available Packages' | cut -f1 -d" " | sed 's:\..*::' | tr "\n" " " | sed 's/ $//')
 
   if [[ -z "$aval_list" ]] ; then
     return 1
@@ -481,7 +479,7 @@ installPackages() {
   echo -n > $YUM_LOG
 
   # shellcheck disable=SC2086
-  yum -q -y $opts install "$@" &>/dev/null
+  LC_ALL=C yum -q -y $opts install "$@" &>/dev/null
 
   if [[ $? -eq 0 ]] ; then
     pkg_count=$(grep -c 'Installed:' $YUM_LOG)
@@ -534,7 +532,7 @@ cleanYumCache() {
   fi
 
   # shellcheck disable=SC2086
-  yum -q -y $opts clean expire-cache &>/dev/null
+  LC_ALL=C yum -q -y $opts clean expire-cache &>/dev/null
 }
 
 # Prints status bullet
diff --git a/centos6.docker b/centos6.docker
index 9acf96d5..825fcf7a 100644
--- a/centos6.docker
+++ b/centos6.docker
@@ -1,3 +1,5 @@
+## BUILDER #####################################################################
+
 FROM centos:6 as builder
 
 RUN mkdir -p "/go/src" && chmod -R 777 "/go"
@@ -8,21 +10,31 @@ WORKDIR /go/src/github.com/essentialkaos/bibop
 
 COPY . .
 
-RUN yum -y -q install https://yum.kaos.st/6/release/x86_64/kaos-repo-9.1-0.el6.noarch.rpm && \
+RUN yum -y -q install https://yum.kaos.st/kaos-repo-latest.el6.noarch.rpm && \
     yum -y -q install make golang git upx && \
     make deps && \
     make all && \
     upx bibop
 
+## FINAL IMAGE #################################################################
+
 FROM centos:6
 
+LABEL name="Bibop Image on CentOS 6" \
+      vendor="ESSENTIAL KAOS" \
+      maintainer="Anton Novojilov" \
+      license="EKOL" \
+      version="2019.08.02"
+
 COPY --from=builder /go/src/github.com/essentialkaos/bibop/bibop /usr/bin/
 COPY --from=builder /go/src/github.com/essentialkaos/bibop/bibop-entrypoint /usr/bin/
 
-RUN yum -y -q install https://yum.kaos.st/6/release/x86_64/kaos-repo-9.1-0.el6.noarch.rpm && \
+RUN yum -y -q install https://yum.kaos.st/kaos-repo-latest.el6.noarch.rpm && \
     yum -y -q install epel-release
 
 VOLUME /bibop
 WORKDIR /bibop
 
 ENTRYPOINT ["bibop-entrypoint"]
+
+################################################################################
diff --git a/centos7.docker b/centos7.docker
index e0535dbe..a31b35d5 100644
--- a/centos7.docker
+++ b/centos7.docker
@@ -1,3 +1,5 @@
+## BUILDER #####################################################################
+
 FROM centos:7 as builder
 
 RUN mkdir -p "/go/src" && chmod -R 777 "/go"
@@ -8,21 +10,31 @@ WORKDIR /go/src/github.com/essentialkaos/bibop
 
 COPY . .
 
-RUN yum -y -q install https://yum.kaos.st/7/release/x86_64/kaos-repo-9.1-0.el7.noarch.rpm && \
+RUN yum -y -q install https://yum.kaos.st/kaos-repo-latest.el7.noarch.rpm && \
     yum -y -q install make golang git upx && \
     make deps && \
     make all && \
     upx bibop
 
+## FINAL IMAGE #################################################################
+
 FROM centos:7
 
+LABEL name="Bibop Image on CentOS 7" \
+      vendor="ESSENTIAL KAOS" \
+      maintainer="Anton Novojilov" \
+      license="EKOL" \
+      version="2019.08.02"
+
 COPY --from=builder /go/src/github.com/essentialkaos/bibop/bibop /usr/bin/
 COPY --from=builder /go/src/github.com/essentialkaos/bibop/bibop-entrypoint /usr/bin/
 
-RUN yum -y -q install https://yum.kaos.st/7/release/x86_64/kaos-repo-9.1-0.el7.noarch.rpm && \
+RUN yum -y -q install https://yum.kaos.st/kaos-repo-latest.el7.noarch.rpm && \
     yum -y -q install epel-release
 
 VOLUME /bibop
 WORKDIR /bibop
 
 ENTRYPOINT ["bibop-entrypoint"]
+
+################################################################################
diff --git a/cli/cli.go b/cli/cli.go
index fb916c7e..ec4fd790 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -33,7 +33,7 @@ import (
 // Application info
 const (
 	APP  = "bibop"
-	VER  = "1.4.0"
+	VER  = "1.4.1"
 	DESC = "Utility for testing command-line tools"
 )
 
diff --git a/cli/executor/executor.go b/cli/executor/executor.go
index 538945e9..21747603 100644
--- a/cli/executor/executor.go
+++ b/cli/executor/executor.go
@@ -132,15 +132,15 @@ func (e *Executor) Validate(r *recipe.Recipe, cfg *ValidationConfig) []error {
 	errs := errutil.NewErrors()
 
 	errs.Add(checkRecipeWorkingDir(r))
-	errs.Add(checkRecipeTags(r, cfg.Tags)...)
-	errs.Add(checkRecipeVariables(r)...)
+	errs.Add(checkRecipeTags(r, cfg.Tags))
+	errs.Add(checkRecipeVariables(r))
 
 	if !cfg.IgnorePrivileges {
 		errs.Add(checkRecipePrivileges(r))
 	}
 
 	if !cfg.IgnoreDependencies {
-		errs.Add(checkPackages(r)...)
+		errs.Add(checkPackages(r))
 	}
 
 	if !errs.HasErrors() {