diff --git a/dlls/winecrt0/Makefile.in b/dlls/winecrt0/Makefile.in
index bcbd4e3b556..18a116e5781 100644
--- a/dlls/winecrt0/Makefile.in
+++ b/dlls/winecrt0/Makefile.in
@@ -2,6 +2,7 @@ MODULE    = libwinecrt0.a
 
 C_SRCS = \
 	crt_dllmain.c \
+	crt_fltused.c \
 	debug.c \
 	delay_load.c \
 	dll_main.c \
diff --git a/dlls/winecrt0/crt_fltused.c b/dlls/winecrt0/crt_fltused.c
new file mode 100644
index 00000000000..f65fc2d96c0
--- /dev/null
+++ b/dlls/winecrt0/crt_fltused.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2020 Jacek Caban for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef _WIN32
+
+/* referenced by MSVC to pull crt support for floating points. we don't use it. */
+int _fltused = 0;
+
+#endif