diff --git a/src/lerobot/policies/pi05_openpi/modeling_pi05openpi.py b/src/lerobot/policies/pi05_openpi/modeling_pi05openpi.py
index fd040159e..dffbd6621 100644
--- a/src/lerobot/policies/pi05_openpi/modeling_pi05openpi.py
+++ b/src/lerobot/policies/pi05_openpi/modeling_pi05openpi.py
@@ -520,7 +520,7 @@ class PI05Pytorch(nn.Module):  # see openpi `PI0Pytorch`
         msg = """transformers_replace is not installed correctly.
 Please install it with `pip install transformers==4.53.2`
 and `cp -r ./src/lerobot/policies/pi0_openpi/transformers_replace/* \
-$(python -c "import transformers, os; print(os.path.dirname(transformers.__file__))")"""
+$(python -c "import transformers, os; print(os.path.dirname(transformers.__file__))")`"""
 
         try:
             from transformers.models.siglip import check
diff --git a/src/lerobot/policies/pi0_openpi/modeling_pi0openpi.py b/src/lerobot/policies/pi0_openpi/modeling_pi0openpi.py
index 0bdaaa6f1..5dd3000cb 100644
--- a/src/lerobot/policies/pi0_openpi/modeling_pi0openpi.py
+++ b/src/lerobot/policies/pi0_openpi/modeling_pi0openpi.py
@@ -521,7 +521,7 @@ class PI0Pytorch(nn.Module):  # see openpi `PI0Pytorch`
         msg = """transformers_replace is not installed correctly.
 Please install it with `pip install transformers==4.53.2`
 and `cp -r ./src/lerobot/policies/pi0_openpi/transformers_replace/* \
-$(python -c "import transformers, os; print(os.path.dirname(transformers.__file__))")"""
+$(python -c "import transformers, os; print(os.path.dirname(transformers.__file__))")`"""
 
         try:
             from transformers.models.siglip import check