--- a/coin.m4
+++ b/coin.m4
@@ -1840,7 +1840,7 @@
   case $build in
     # Here we need to check if -m32 is specified.  If so, we need to correct
     # sys_lib_search_path_spec
-    *-cygwin* | *-mingw*)
+    *-cygwin*)
       AC_COIN_PATCH_LIBTOOL_CYGWIN
       ;;
     *x86_64-*)
