diff --git a/kernel/kalloc.c b/kernel/kalloc.c
--- a/kernel/kalloc.c
+++ b/kernel/kalloc.c
@@ -125,6 +125,11 @@ void *X(kernel_malloc)(size_t n)
 #    undef real_free
 #    define real_free MPFree
 
+#  elif defined(__MINGW32__) || defined(__MINGW64__)
+     p = (void *) __mingw_aligned_malloc(n, MIN_ALIGNMENT);
+#    undef real_free
+#    define real_free __mingw_aligned_free
+
 #  else
      /* Add your machine here and send a patch to fftw@fftw.org 
         or (e.g. for Windows) configure --with-our-malloc */