diff --git a/ChangeLog b/ChangeLog
index c1a73c8f9d..e13e16615a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2015-05-20  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* math/s_cproj.c: Add include "math_private.h".
+	* math/s_cprojf.c: Likewise.
+	* math/s_cprojl.c: Likewise.
+
 2015-05-19  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #18244]
diff --git a/math/s_cproj.c b/math/s_cproj.c
index 80615a6e62..bf2cfc472d 100644
--- a/math/s_cproj.c
+++ b/math/s_cproj.c
@@ -19,6 +19,7 @@
 
 #include <complex.h>
 #include <math.h>
+#include <math_private.h>
 
 
 __complex__ double
diff --git a/math/s_cprojf.c b/math/s_cprojf.c
index 39542b2b33..531d10e14f 100644
--- a/math/s_cprojf.c
+++ b/math/s_cprojf.c
@@ -19,6 +19,7 @@
 
 #include <complex.h>
 #include <math.h>
+#include <math_private.h>
 
 
 __complex__ float
diff --git a/math/s_cprojl.c b/math/s_cprojl.c
index dc5a038469..32292a4a6d 100644
--- a/math/s_cprojl.c
+++ b/math/s_cprojl.c
@@ -19,6 +19,7 @@
 
 #include <complex.h>
 #include <math.h>
+#include <math_private.h>
 
 
 __complex__ long double