diff --git a/src/cl/pyopencl-airy.cl b/src/cl/pyopencl-airy.cl
index 0af16d061d39c69ca99e199daf00a103b43fa882..23f1dae3094ef6687886e30f32dda6718cf11f43 100644
--- a/src/cl/pyopencl-airy.cl
+++ b/src/cl/pyopencl-airy.cl
@@ -8,7 +8,7 @@
 
 #pragma once
 
-#include <pyopencl-cephes.h>
+#include <pyopencl-cephes.cl>
 
 __constant const double airy_maxairy = 103.892;
 
diff --git a/src/cl/pyopencl-bessel-j.cl b/src/cl/pyopencl-bessel-j.cl
index fd9a3ead7b9a86db236dcdaaf56fc9d4bb2e81d1..229c166f3d8c6e2e9e318fef8692f385a0bafdc1 100644
--- a/src/cl/pyopencl-bessel-j.cl
+++ b/src/cl/pyopencl-bessel-j.cl
@@ -19,8 +19,8 @@
 
 #pragma once
 
-#include <pyopencl-cephes.h>
-#include <pyopencl-airy.h>
+#include <pyopencl-cephes.cl>
+#include <pyopencl-airy.cl>
 
 typedef double T;