diff --git a/gnu/packages/cross-toolchain.scm b/gnu/packages/cross-toolchain.scm
index 08511a7c00..4c212bdce5 100644
--- a/gnu/packages/cross-toolchain.scm
+++ b/gnu/packages/cross-toolchain.scm
@@ -34,3 +34,6 @@
 
 (define-public gcc-cross-avr-toolchain
   (cross-gcc-toolchain "avr"))
+
+(define-public gcc-cross-i686-w64-mingw32-toolchain
+  (cross-gcc-toolchain "i686-w64-mingw32"))