diff --git a/appveyor.yml b/appveyor.yml
index 55744664..f734a0c4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -23,6 +23,7 @@ environment:
     - compiler: gcc-6.3.0-posix
       generator: "MinGW Makefiles"
       cxx_path: 'C:\mingw-w64\i686-6.3.0-posix-dwarf-rt_v5-rev1\mingw32\bin'
+      enabled_on_pr: yes
 
 configuration:
   - Debug