diff --git a/appveyor.yml b/appveyor.yml
index 1066b4ad..5cb81628 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,7 +4,6 @@ image: Visual Studio 2019
 environment:
   ANT_HOME: C:\ant\apache-ant-1.10.14
   matrix:
-  - JAVA_HOME: C:\Program Files\Java\jdk9
   - JAVA_HOME: C:\Program Files\Java\jdk1.8.0
   - JAVA_HOME: C:\Program Files\Java\jdk11
   - JAVA_HOME: C:\Program Files\Java\jdk19
@@ -27,6 +26,7 @@ install:
   - cmd: java -version
   - cmd: ant -version
   - cmd: copy /y C:\projects\davmail\nsis\* "C:\Program Files (x86)\NSIS\Plugins\x86-ansi"
+  - cmd: copy /y C:\projects\davmail\nsis\* "C:\Program Files (x86)\NSIS\Plugins\x86-unicode"
 build_script:
   - ant dist
   - IF "%JAVA_HOME%" == "C:\Program Files\Java\jdk19" ant sonar -Dsonar.login=%SONAR_LOGIN%