diff --git a/openfido.sh b/openfido.sh
index 2c6d0d7..fd6ad3c 100644
--- a/openfido.sh
+++ b/openfido.sh
@@ -93,10 +93,10 @@ elif [ "$ANALYSIS" = "pole_analysis" ]; then
     
     CSV_NAME="poles_w_equip_and_network"
     GLM_NAME="network"
-    USECASES=("loading_scenario" "critical_speed" "worst_angle")
+    USECASES="loading_scenario critical_speed worst_angle"
     RESULT_NAME="results"
     POLE_OPTION=""
-    if [[ -n "$POLE_NAME" ]]; then
+    if [ -n "$POLE_NAME" ]; then
         POLE_OPTION="--poles_selected=pole_$POLE_NAME"
         POLE_NAME="$POLE_NAME\_"
     fi
@@ -107,7 +107,7 @@ elif [ "$ANALYSIS" = "pole_analysis" ]; then
     gridlabd -D csv_load_options="-f table -t object -M powerflow -o $OPENFIDO_OUTPUT/$GLM_NAME.glm" $OPENFIDO_OUTPUT/$CSV_NAME.csv
     echo "Pole analysis on GLM file"
     if [[ "$USECASE" = "all" ]]; then
-        for option in "${USECASES[@]}"; do
+        for option in ${USECASES}; do
         echo "Running $option usecase"
             gridlabd pole_analysis $OPENFIDO_OUTPUT/$GLM_NAME.glm --analysis=$option --wind_speed=$WIND_SPEED --wind_direction=$WIND_DIR --direction_increment=$WIND_DIR_INC --speed_increment=$WIND_SPEED_INC --segment=$POLE_DIV --output=$OPENFIDO_OUTPUT/$RESULT_NAME\_$POLE_NAME$option.csv $POLE_OPTION
         done