diff --git a/.vsts-ci.iOS.yml b/.vsts-ci.iOS.yml
index 5064c84b..51f6d4aa 100644
--- a/.vsts-ci.iOS.yml
+++ b/.vsts-ci.iOS.yml
@@ -38,6 +38,13 @@ jobs:
     inputs:
       provProfileSecureFile: 'Uno_Calculator.mobileprovision'
 
+  - bash: |
+      cd $(build.sourcesdirectory)/src/CalcManager
+      chmod +x build_ios.sh
+      ./build_ios.sh
+
+    displayName: Build native CalcManager
+
   - task: MSBuild@1
     inputs:
       solution: '$(build.sourcesdirectory)/src/Calculator.iOS/Calculator.iOS.csproj'
diff --git a/src/CalcManager/build_ios.sh b/src/CalcManager/build_ios.sh
index 6dc4cf04..889f516f 100755
--- a/src/CalcManager/build_ios.sh
+++ b/src/CalcManager/build_ios.sh
@@ -1,6 +1,9 @@
+#!/bin/bash
+
 xcrun -sdk iphoneos clang \
     -x c++ \
     -arch arm64 \
+	-miphoneos-version-min=10.0 \
     -std=c++1z \
     -stdlib=libc++ \
     -c \