diff --git a/appveyor-debug.yml b/appveyor-debug.yml
index 09ee15263..16956ac00 100644
--- a/appveyor-debug.yml
+++ b/appveyor-debug.yml
@@ -9,7 +9,7 @@ assembly_info:
   assembly_file_version: $(AssemblyBaseVersion).{build}
   assembly_informational_version: $(PackageVersion)
 environment:
-  XamarinMSBuildExtensionsPath: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\
+  XamarinMSBuildExtensionsPath: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild
 install:
 - cmd: >-
     cd .\build
diff --git a/appveyor-release.yml b/appveyor-release.yml
index 00b61c35e..fe8fa3e5c 100644
--- a/appveyor-release.yml
+++ b/appveyor-release.yml
@@ -14,7 +14,7 @@ assembly_info:
   assembly_file_version: $(AssemblyBaseVersion).{build}
   assembly_informational_version: $(PackageVersion)
 environment:
-  XamarinMSBuildExtensionsPath: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\
+  XamarinMSBuildExtensionsPath: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild
 install:
 - cmd: >-
     cd .\build