diff --git a/.appveyor.yml b/.appveyor.yml
index 524fc10e..e93b8dac 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -107,14 +107,14 @@ environment:
       B2_TOOLSET: gcc
       B2_VARIANT: release
 
-    - FLAVOR: Cygwin (64 bit, C++11, Release)
+    - FLAVOR: Cygwin (64 bit, C++11, Debug)
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
       ADDPATH: C:\cygwin64\bin;
       B2_ADDRESS_MODEL: 64
       B2_CXXSTD: 11
       B2_TOOLSET: gcc
       B2_FLAGS: "include=libs/unordered/test/unordered include=libs/unordered/test/exception"
-      B2_VARIANT: release
+      B2_VARIANT: debug
 
     - FLAVOR: Cygwin (64 bit, C++14, Debug)
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
@@ -125,14 +125,14 @@ environment:
       B2_FLAGS: "include=libs/unordered/test/unordered include=libs/unordered/test/exception"
       B2_VARIANT: debug
 
-    - FLAVOR: Cygwin (64 bit, C++17, Release)
+    - FLAVOR: Cygwin (64 bit, C++17, Debug)
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
       ADDPATH: C:\cygwin64\bin;
       B2_ADDRESS_MODEL: 64
       B2_CXXSTD: 17
       B2_TOOLSET: gcc
       B2_FLAGS: "include=libs/unordered/test/unordered include=libs/unordered/test/exception"
-      B2_VARIANT: release
+      B2_VARIANT: debug
 
     - FLAVOR: Cygwin (64 bit, C++2a, Debug)
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022