diff --git a/api/launch-extras.bat b/api/launch-extras.bat
index 45513a29..fd7b2c70 100644
--- a/api/launch-extras.bat
+++ b/api/launch-extras.bat
@@ -1,3 +1,5 @@
+call onnx_env\Scripts\Activate.bat
+
 echo "Downloading and converting models to ONNX format..."
 IF "%ONNX_WEB_EXTRA_MODELS%"=="" (set ONNX_WEB_EXTRA_MODELS=extras.json)
 python -m onnx_web.convert ^
diff --git a/api/launch.bat b/api/launch.bat
index 087041fc..0d5933e5 100644
--- a/api/launch.bat
+++ b/api/launch.bat
@@ -1,3 +1,5 @@
+call onnx_env\Scripts\Activate.bat
+
 echo "Downloading and converting models to ONNX format..."
 IF "%ONNX_WEB_EXTRA_MODELS%"=="" (set ONNX_WEB_EXTRA_MODELS=..\models\extras.json)
 python -m onnx_web.convert ^
diff --git a/api/setup-amd.bat b/api/setup-amd.bat
index 12a7c883..aec06362 100644
--- a/api/setup-amd.bat
+++ b/api/setup-amd.bat
@@ -1,5 +1,5 @@
 python -m venv onnx_env
-onnx_env\Scripts\Activate.bat
+call onnx_env\Scripts\Activate.bat
 
 pip install -r requirements/amd-windows.txt
 pip install -r requirements/base.txt
diff --git a/api/setup-cpu.bat b/api/setup-cpu.bat
index 9f39145b..56188c28 100644
--- a/api/setup-cpu.bat
+++ b/api/setup-cpu.bat
@@ -1,5 +1,5 @@
 python -m venv onnx_env
-onnx_env\Scripts\Activate.bat
+call onnx_env\Scripts\Activate.bat
 
 pip install -r requirements/cpu.txt
 pip install -r requirements/base.txt
diff --git a/api/setup-nvidia.bat b/api/setup-nvidia.bat
index b551f7ae..2d8b6a3b 100644
--- a/api/setup-nvidia.bat
+++ b/api/setup-nvidia.bat
@@ -1,5 +1,5 @@
 python -m venv onnx_env
-onnx_env\Scripts\Activate.bat
+call onnx_env\Scripts\Activate.bat
 
 pip install -r requirements/nvidia.txt
 pip install -r requirements/base.txt