diff --git a/libclc/ptx/lib/SOURCES b/libclc/ptx/lib/SOURCES
new file mode 100644
index 000000000000..ff5bff2cea54
--- /dev/null
+++ b/libclc/ptx/lib/SOURCES
@@ -0,0 +1 @@
+math/nextafter.cl
diff --git a/libclc/ptx/lib/math/nextafter.cl b/libclc/ptx/lib/math/nextafter.cl
new file mode 100644
index 000000000000..5b4521d21c26
--- /dev/null
+++ b/libclc/ptx/lib/math/nextafter.cl
@@ -0,0 +1,10 @@
+#include <clc/clc.h>
+#include "../lib/clcmacro.h"
+#include <math/clc_nextafter.h>
+
+_CLC_DEFINE_BINARY_BUILTIN(float, nextafter, __clc_nextafter, float, float)
+
+#ifdef cl_khr_fp64
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+_CLC_DEFINE_BINARY_BUILTIN(double, nextafter, __clc_nextafter, double, double)
+#endif