diff --git a/mk/cfg/i686-pc-windows-gnu b/mk/cfg/i686-pc-windows-gnu
index f24d8312f3c..52ed733e443 100644
--- a/mk/cfg/i686-pc-windows-gnu
+++ b/mk/cfg/i686-pc-windows-gnu
@@ -1,5 +1,5 @@
 # i686-pc-windows-gnu configuration
-CROSS_PREFIX_i686-pc-windows-gnu=i686-pc-windows-gnu-
+CROSS_PREFIX_i686-pc-windows-gnu=i686-w64-mingw32-
 CC_i686-pc-windows-gnu=gcc
 CXX_i686-pc-windows-gnu=g++
 CPP_i686-pc-windows-gnu=gcc -E
diff --git a/mk/cfg/x86_64-pc-windows-gnu b/mk/cfg/x86_64-pc-windows-gnu
index fbe2e832f40..14ebdf5c390 100644
--- a/mk/cfg/x86_64-pc-windows-gnu
+++ b/mk/cfg/x86_64-pc-windows-gnu
@@ -1,5 +1,5 @@
 # x86_64-pc-windows-gnu configuration
-CROSS_PREFIX_x86_64-pc-windows-gnu=x86_64-pc-windows-gnu-
+CROSS_PREFIX_x86_64-pc-windows-gnu=x86_64-w64-mingw32-
 CC_x86_64-pc-windows-gnu=gcc
 CXX_x86_64-pc-windows-gnu=g++
 CPP_x86_64-pc-windows-gnu=gcc -E