diff --git a/src/math/nan.c b/src/math/nan.c
new file mode 100644
index 00000000..9e0826c7
--- /dev/null
+++ b/src/math/nan.c
@@ -0,0 +1,6 @@
+#include <math.h>
+
+double nan(const char *s)
+{
+	return NAN;
+}
diff --git a/src/math/nanf.c b/src/math/nanf.c
new file mode 100644
index 00000000..752ce546
--- /dev/null
+++ b/src/math/nanf.c
@@ -0,0 +1,6 @@
+#include <math.h>
+
+float nanf(const char *s)
+{
+	return NAN;
+}
diff --git a/src/math/nanl.c b/src/math/nanl.c
new file mode 100644
index 00000000..969af564
--- /dev/null
+++ b/src/math/nanl.c
@@ -0,0 +1,6 @@
+#include <math.h>
+
+long double nanl(const char *s)
+{
+	return NAN;
+}