diff --git a/appveyor.yml b/appveyor.yml
index cc1d3dce..53192e2e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -79,4 +79,5 @@ install:
 build: off
 
 test_script:
-  - b2 -j%NUMBER_OF_PROCESSORS% --hash libs/fusion/test toolset=%TOOLSET% cxxstd=%CXXSTD%
+  - if not "%ADDRMD%" == "" set ADDRMD=address-model=%ADDRMD%
+  - b2 -j%NUMBER_OF_PROCESSORS% --hash libs/fusion/test toolset=%TOOLSET% cxxstd=%CXXSTD% %ADDRMD%