diff --git a/.github/workflows/compile_cygwin.yml b/.github/workflows/compile_cygwin.yml
index c8e8959..c16f9d9 100644
--- a/.github/workflows/compile_cygwin.yml
+++ b/.github/workflows/compile_cygwin.yml
@@ -28,7 +28,7 @@ jobs:
              make install
       - name: Download_libsigsegv
         run: wget https://ftp.gnu.org/gnu/libsigsegv/libsigsegv-2.14.tar.gz
-      - name: Extract_libffcall
+      - name: Extract_libsigsegv
         run: tar xvf libsigsegv-2.14.tar.gz
       - name: Build_libsigsegv
         run: |
@@ -48,6 +48,8 @@ jobs:
              cd clisp-master
              wget https://raw.githubusercontent.com/daute/clisp-crossbuild/main/token-eof-patch
              patch -p1 <token-eof-patch
+             wget https://raw.githubusercontent.com/daute/clisp-crossbuild/main/floatparam-error-unknown-rounding-mode-patch
+             patch src/floatparam.c <floatparam-error-unknown-rounding-mode-patch
              bash ./configure --config --host=i686-w64-mingw32 --with-debug --disable-threads --enable-compatibility --with-libffcall-prefix=/home/runneradmin/libffcall --with-libsigsegv-prefix=/home/runneradmin/libsigsegv build
       - name: compile_clisp
         run: |
diff --git a/floatparam-error-unknown-rounding-mode-patch b/floatparam-error-unknown-rounding-mode-patch
new file mode 100644
index 0000000..ca79b43
--- /dev/null
+++ b/floatparam-error-unknown-rounding-mode-patch
@@ -0,0 +1,7 @@
+89,90c89,91
+<     else								\
+<       printf("#error \"Unknown rounding mode for type %s!\"\n",typestr); \
+---
+>     else /* FIXME: error message replaced (dauti) */								\
+>       printf("#define %s_rounds rounds_to_nearest\n",typeprefix);       \
+>       rounds_to_nearest = TRUE;                                         \