diff --git a/.appveyor.yml b/.appveyor.yml
index a4c3f3ee9..a051a20d1 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -9,6 +9,7 @@ install:
   - appveyor-retry appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
   - rustup-init.exe -y --default-host %TARGET%
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
+  - set RUST_BACKTRACE=1
 
   - rustc -V
   - cargo -V