diff --git a/tools/apt-get-install-deps.sh b/tools/apt-get-install-deps.sh
index 7df3ebc1b..f4f39640f 100755
--- a/tools/apt-get-install-deps.sh
+++ b/tools/apt-get-install-deps.sh
@@ -14,8 +14,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-sudo apt-get update -q
-sudo apt-get install -q -y \
+if [ "$(whoami)" != "root" ]; then
+    SUDO=sudo
+fi
+
+${SUDO} apt-get update -q
+${SUDO} apt-get install -q -y \
     make cmake \
     gcc gcc-multilib \
     doxygen \
diff --git a/tools/apt-get-install-qemu-arm.sh b/tools/apt-get-install-qemu-arm.sh
index 7658ccd6b..b38373bb4 100755
--- a/tools/apt-get-install-qemu-arm.sh
+++ b/tools/apt-get-install-qemu-arm.sh
@@ -14,7 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-sudo apt-get update -q
-sudo apt-get install -q -y \
+if [ "$(whoami)" != "root" ]; then
+    SUDO=sudo
+fi
+
+${SUDO} apt-get update -q
+${SUDO} apt-get install -q -y \
     gcc-arm-linux-gnueabihf libc6-dev-armhf-cross \
     qemu-user-static