diff --git a/depends/hosts/mingw32.mk b/depends/hosts/mingw32.mk
index 2f370d2b87..48020d71af 100644
--- a/depends/hosts/mingw32.mk
+++ b/depends/hosts/mingw32.mk
@@ -13,4 +13,4 @@ mingw32_debug_CXXFLAGS=$(mingw32_debug_CFLAGS)
 
 mingw32_debug_CPPFLAGS=-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
 
-mingw_cmake_system=Windows
+mingw32_cmake_system=Windows