diff --git a/chatgpt.sh b/chatgpt.sh
index 81df29a..bfe1b62 100755
--- a/chatgpt.sh
+++ b/chatgpt.sh
@@ -12,9 +12,13 @@ CHATGPT_CYAN_LABEL="\033[36mchatgpt \033[0m"
 PROCESSING_LABEL="\n\033[90mProcessing... \033[0m\033[0K\r"
 OVERWRITE_PROCESSING_LINE="             \033[0K\r"
 
-if [[ -z "$OPENAI_KEY" ]]; then
-	echo "You need to set your OPENAI_KEY to use this script"
-	echo "You can set it temporarily by running this on your terminal: export OPENAI_KEY=YOUR_KEY_HERE"
+if [[ -z "$OPENAI_API_KEY" ]]; then
+	if [[ -n "$OPENAI_KEY" ]]; then
+		OPENAI_API_KEY="$OPENAI_KEY"
+		echo "OPENAI_KEY has been deprecated. Change it to OPENAI_API_KEY."
+	fi
+	echo "You need to set your OPENAI_API_KEY to use this script"
+	echo "You can set it temporarily by running this on your terminal: export OPENAI_API_KEY=YOUR_KEY_HERE"
 	exit 1
 fi
 
@@ -83,7 +87,7 @@ handle_error() {
 list_models() {
 	models_response=$(curl https://api.openai.com/v1/models \
 		-sS \
-		-H "Authorization: Bearer $OPENAI_KEY")
+		-H "Authorization: Bearer $OPENAI_API_KEY")
 	handle_error "$models_response"
 	models_data=$(echo $models_response | jq -r -C '.data[] | {id, owned_by, created}')
 	echo -e "$OVERWRITE_PROCESSING_LINE"
@@ -97,7 +101,7 @@ request_to_completions() {
 	curl https://api.openai.com/v1/completions \
 		-sS \
 		-H 'Content-Type: application/json' \
-		-H "Authorization: Bearer $OPENAI_KEY" \
+		-H "Authorization: Bearer $OPENAI_API_KEY" \
 		-d '{
   			"model": "'"$MODEL"'",
   			"prompt": "'"$prompt"'",
@@ -113,7 +117,7 @@ request_to_image() {
 	image_response=$(curl https://api.openai.com/v1/images/generations \
 		-sS \
 		-H 'Content-Type: application/json' \
-		-H "Authorization: Bearer $OPENAI_KEY" \
+		-H "Authorization: Bearer $OPENAI_API_KEY" \
 		-d '{
     		"prompt": "'"${prompt#*image:}"'",
     		"n": 1,
@@ -130,7 +134,7 @@ request_to_chat() {
 	curl https://api.openai.com/v1/chat/completions \
 		-sS \
 		-H 'Content-Type: application/json' \
-		-H "Authorization: Bearer $OPENAI_KEY" \
+		-H "Authorization: Bearer $OPENAI_API_KEY" \
 		-d '{
             "model": "'"$MODEL"'",
             "messages": [
@@ -369,7 +373,7 @@ while $running; do
 	elif [[ "$prompt" =~ ^model: ]]; then
 		models_response=$(curl https://api.openai.com/v1/models \
 			-sS \
-			-H "Authorization: Bearer $OPENAI_KEY")
+			-H "Authorization: Bearer $OPENAI_API_KEY")
 		handle_error "$models_response"
 		model_data=$(echo $models_response | jq -r -C '.data[] | select(.id=="'"${prompt#*model:}"'")')
 		echo -e "$OVERWRITE_PROCESSING_LINE"