diff --git a/fvp_utils.sh b/fvp_utils.sh
index a7f4169..5265c50 100644
--- a/fvp_utils.sh
+++ b/fvp_utils.sh
@@ -760,7 +760,7 @@
                             for c in ${commands}; do
                                 cat <<EOF
      - name: interactive_command_${uart_number}_${key}
-       command: $c
+       command: "$c"
 EOF
                             done
                         fi
@@ -796,7 +796,7 @@
                             for c in ${commands}; do
                                 cat <<EOF
      - name: interactive_command_${uart_number}_${key}
-       command: $c
+       command: "$c"
 EOF
                             done
                         fi
@@ -824,7 +824,7 @@
                             for c in ${commands}; do
                                 cat <<EOF
      - name: interactive_command_${uart_number}_${key}
-       command: $c
+       command: "$c"
 EOF
                             done
                         fi
@@ -851,7 +851,7 @@
                             for c in ${commands}; do
                                 cat <<EOF
      - name: interactive_command_${uart_number}_${key}
-       command: $c
+       command: "$c"
 EOF
                             done
                         fi