diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index a580140..ba08cb1 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -6,7 +6,7 @@ trigger:
 variables:
   CIBW_BUILD: cp36-* cp37-* cp38-*
   CIBW_SKIP: "*_i686"
-  CIBW_BEFORE_BUILD: "curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2019-09-26-x86_64-unknown-linux-gnu --profile=minimal -y ; pip install -U setuptools setuptools-rust"
+  CIBW_BEFORE_BUILD: "curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2019-09-26 --profile=minimal -y ; pip install -U setuptools setuptools-rust"
   CIBW_ENVIRONMENT: PATH="$HOME/.cargo/bin:$PATH"
 
 jobs: