diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 317a95b19f..1c41dc3a4b 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -98,7 +98,7 @@ jobs:
   - checkout: self
     submodules: false
   - script: |
-      curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
+      curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --no-confirm
     displayName: Install Nix
   - script: |
       nix-env -iA cachix -f https://cachix.org/api/v1/install
@@ -135,7 +135,7 @@ jobs:
   - checkout: self
     submodules: false
   - script: |
-      curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
+      curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --no-confirm
     displayName: Install Nix
   - script: |
       nix-env -iA cachix -f https://cachix.org/api/v1/install