diff --git a/package/fftw/fftw.hash b/package/fftw/fftw.hash
new file mode 100644
index 0000000000..62b8f0f0d4
--- /dev/null
+++ b/package/fftw/fftw.hash
@@ -0,0 +1,2 @@
+# From http://www.fftw.org/fftw-3.3.4.tar.gz.md5sum
+md5	2edab8c06b24feeb3b82bbb3ebf3e7b3	fftw-3.3.4.tar.gz