diff --git a/contrib/builder/rpm/generate.sh b/contrib/builder/rpm/generate.sh
index 804feb5d6d..542c9d85f1 100755
--- a/contrib/builder/rpm/generate.sh
+++ b/contrib/builder/rpm/generate.sh
@@ -59,13 +59,16 @@ for version in "${versions[@]}"; do
 		glibc-static
 		libselinux-devel # for "libselinux.so"
 		sqlite-devel # for "sqlite3.h"
-		tar # older versions of dev-tools don't have tar
+		tar # older versions of dev-tools do not have tar
 	)
-	if [ "$from" == "oraclelinux:7" ]; then
-		echo "RUN yum install --enablerepo=ol7_optional_latest -y ${packages[*]}" >> "$version/Dockerfile"
-	else
-		echo "RUN yum install -y ${packages[*]}" >> "$version/Dockerfile"
-	fi
+
+	case "$from" in
+		oraclelinux:7)
+			# Enable the optional repository
+			packages=( --enablerepo=ol7_optional_latest "${packages[*]}" )
+			;;
+	esac
+	echo "RUN yum install -y ${packages[*]}" >> "$version/Dockerfile"
 
 	echo >> "$version/Dockerfile"
 
diff --git a/contrib/builder/rpm/oraclelinux-7/Dockerfile b/contrib/builder/rpm/oraclelinux-7/Dockerfile
index 228fdd8ac8..333a9f1f33 100644
--- a/contrib/builder/rpm/oraclelinux-7/Dockerfile
+++ b/contrib/builder/rpm/oraclelinux-7/Dockerfile
@@ -5,7 +5,7 @@
 FROM oraclelinux:7
 
 RUN yum groupinstall -y "Development Tools"
-RUN yum install --enablerepo=ol7_optional_latest -y btrfs-progs-devel device-mapper-devel glibc-static libselinux-devel sqlite-devel tar
+RUN yum install -y --enablerepo=ol7_optional_latest btrfs-progs-devel device-mapper-devel glibc-static libselinux-devel sqlite-devel tar
 
 ENV GO_VERSION 1.4.2
 RUN curl -fSL "https://storage.googleapis.com/golang/go${GO_VERSION}.linux-amd64.tar.gz" | tar xzC /usr/local