diff --git a/doc/release.txt b/doc/release.txt
index 2920aa4d6d179096a23b0b82ee1262d5ecb8b3ac..c5248c7f8697f98158c3892af6153029a3429f7e 100644
--- a/doc/release.txt
+++ b/doc/release.txt
@@ -32,7 +32,7 @@ Win32 binaries:
   or similar. Wine is required for 'make check' to complete.
 - Compile openssl with:
     ./Configure shared mingw64 no-asm --prefix=/path/to/builddir \
-      --cross-compile-prefix=i686-w64-mingw32
+      --cross-compile-prefix=i686-w64-mingw32-
     make depend && make -j8 && make install
 - Compile opusfile with:
     ./configure --host=i686-w64-mingw32 --prefix=/path/to/builddir \