diff --git a/src/server_manager/install_scripts/install_server.sh b/src/server_manager/install_scripts/install_server.sh
index 2611845d..a2c6fbc2 100755
--- a/src/server_manager/install_scripts/install_server.sh
+++ b/src/server_manager/install_scripts/install_server.sh
@@ -413,7 +413,8 @@ function set_hostname() {
 }
 
 install_shadowbox() {
-  local MACHINE_TYPE="$(uname -m)"
+  local MACHINE_TYPE
+  MACHINE_TYPE="$(uname -m)"
   if [[ "${MACHINE_TYPE}" != "x86_64" ]]; then
     log_error "Unsupported machine type: ${MACHINE_TYPE}. Please run this script on a x86_64 machine"
     exit 1