diff --git a/.azure/azure-ci-build-pipeline.yaml b/.azure/azure-ci-build-pipeline.yaml
index 2b1af5f4..efeba284 100644
--- a/.azure/azure-ci-build-pipeline.yaml
+++ b/.azure/azure-ci-build-pipeline.yaml
@@ -83,7 +83,7 @@ stages:
 
           - script: |
               GATE_WHEEL=$(ls ./GATE/arcd_gate*.whl)
-              python -m pip install GATE_WHEEL[dev]
+              python -m pip install $GATE_WHEEL[dev]
             displayName: 'Install GATE'
             condition: or(eq( variables['Agent.OS'], 'Linux' ), eq( variables['Agent.OS'], 'Darwin' ))