diff --git a/index/ut/utilada/utilada-2.0.0.toml b/index/ut/utilada/utilada-2.0.0.toml
index 539557b0..7d7600cf 100644
--- a/index/ut/utilada/utilada-2.0.0.toml
+++ b/index/ut/utilada/utilada-2.0.0.toml
@@ -26,10 +26,10 @@ UTIL_OS = "linux64"
 [gpr-set-externals."case(os)".macos]
 UTIL_OS = "macos64"
 [gpr-set-externals."case(os)".windows."case(word-size)".bits-32]
-UTIL_OS = "windows32"
+UTIL_OS = "win32"
 
 [gpr-set-externals."case(os)".windows."case(word-size)".bits-64]
-UTIL_OS = "windows64"
+UTIL_OS = "win64"
 
 [origin]
 url = "https://github.com/stcarrez/ada-util/archive/2.0.0.tar.gz"
diff --git a/index/ut/utilada/utilada-2.1.0.toml b/index/ut/utilada/utilada-2.1.0.toml
index 25158539..0b7a1ad0 100644
--- a/index/ut/utilada/utilada-2.1.0.toml
+++ b/index/ut/utilada/utilada-2.1.0.toml
@@ -26,10 +26,10 @@ UTIL_OS = "linux64"
 [gpr-set-externals."case(os)".macos]
 UTIL_OS = "macos64"
 [gpr-set-externals."case(os)".windows."case(word-size)".bits-32]
-UTIL_OS = "windows32"
+UTIL_OS = "win32"
 
 [gpr-set-externals."case(os)".windows."case(word-size)".bits-64]
-UTIL_OS = "windows64"
+UTIL_OS = "win64"
 
 [origin]
 url = "https://github.com/stcarrez/ada-util/archive/2.1.0.tar.gz"