diff --git a/sysdeps/m68k/fpu/isnan.c b/sysdeps/m68k/fpu/isnan.c
new file mode 100644
index 0000000000..f74a05b4ba
--- /dev/null
+++ b/sysdeps/m68k/fpu/isnan.c
@@ -0,0 +1,2 @@
+#define	FUNC	__isnan
+#include <../sysdeps/m68k/68881/isinf.c>