diff --git a/debian/rules b/debian/rules
index 7f2ea9c..1d98857 100755
--- a/debian/rules
+++ b/debian/rules
@@ -8,7 +8,8 @@ include /usr/share/dpkg/pkg-info.mk
 %:
 	dh "$@"
 
-execute_after_dh_install:
+override_dh_install:
+	dh_install
 	find debian/lib*-perl -name process.pl -print0 | \
 	  xargs -0 sed -i \
 	    -e 's/^our \$$VERSION = .*/our \$$VERSION = "$(DEB_VERSION)";/'
diff --git a/lib/NGCP/BulkProcessor/Projects/ETL/Customer/process.pl b/lib/NGCP/BulkProcessor/Projects/ETL/Customer/process.pl
index 7a71728..1299677 100644
--- a/lib/NGCP/BulkProcessor/Projects/ETL/Customer/process.pl
+++ b/lib/NGCP/BulkProcessor/Projects/ETL/Customer/process.pl
@@ -3,7 +3,7 @@ use strict;
 ## no critic
 
 BEGIN {
-our $VERSION = "0.0";
+our $VERSION = '0.0';
 }
 
 use File::Basename;