diff --git a/scripts/install-deps.sh b/scripts/install-deps.sh
index 51e938733..0069e7087 100644
--- a/scripts/install-deps.sh
+++ b/scripts/install-deps.sh
@@ -19,9 +19,9 @@ CHECK_CMD_PKGS=(
     wget
 )
 
-# Check zypper before apt-get in case zypper-aptitude
-# is installed
-if [ -x '/usr/bin/zypper' ]; then
+source /etc/os-release || source /usr/lib/os-release
+case ${ID,,} in
+    *suse)
     OS_FAMILY="Suse"
     INSTALLER_CMD="sudo -H -E zypper install -y --no-recommends"
     CHECK_CMD="zypper search --match-exact --installed"
@@ -43,7 +43,9 @@ if [ -x '/usr/bin/zypper' ]; then
     if $(${CHECK_CMD} patterns-openSUSE-minimal_base-conflicts &> /dev/null); then
         sudo -H zypper remove -y patterns-openSUSE-minimal_base-conflicts
     fi
-elif [ -x '/usr/bin/apt-get' ]; then
+    ;;
+
+    ubuntu|debian)
     OS_FAMILY="Debian"
     INSTALLER_CMD="sudo -H -E apt-get -y install"
     CHECK_CMD="dpkg -l"
@@ -60,7 +62,9 @@ elif [ -x '/usr/bin/apt-get' ]; then
         [wget]=wget
     )
     EXTRA_PKG_DEPS=()
-elif [ -x '/usr/bin/dnf' ] || [ -x '/usr/bin/yum' ]; then
+    ;;
+
+    rhel|fedora|centos)
     OS_FAMILY="RedHat"
     PKG_MANAGER=$(which dnf || which yum)
     INSTALLER_CMD="sudo -H -E ${PKG_MANAGER} -y install"
@@ -78,9 +82,10 @@ elif [ -x '/usr/bin/dnf' ] || [ -x '/usr/bin/yum' ]; then
         [wget]=wget
     )
     EXTRA_PKG_DEPS=()
-else
-    echo "ERROR: Supported package manager not found.  Supported: apt, dnf, yum, zypper"
-fi
+    ;;
+
+    *) echo "ERROR: Supported package manager not found.  Supported: apt, dnf, yum, zypper"; exit 1;;
+esac
 
 # if running in OpenStack CI, then make sure epel is enabled
 # since it may already be present (but disabled) on the host