diff --git a/ChangeLog b/ChangeLog
index 09224e91d5..eafb44a4ed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-08-31  Brett Neumeier <brett@neumeier.us>
+
+	[BZ #18870]
+	* sysdeps/sparc/sparc32/sem_open.c: Add missing #include
+
 2015-08-31  Paul Eggert  <eggert@cs.ucla.edu>
 
 	[BZ #18873]
diff --git a/NEWS b/NEWS
index 20fa6ac000..e41919adf8 100644
--- a/NEWS
+++ b/NEWS
@@ -12,7 +12,7 @@ Version 2.23
   2898, 14341, 15786, 16141, 16517, 16519, 16520, 16734, 16973, 17787,
   17905, 18084, 18086, 18240, 18265, 18370, 18421, 18480, 18525, 18610,
   18618, 18647, 18661, 18674, 18681, 18778, 18781, 18787, 18789, 18790,
-  18795, 18796, 18820, 18823, 18824, 18863, 18873, 18887.
+  18795, 18796, 18820, 18823, 18824, 18863, 18870, 18873, 18887.
 
 * The obsolete header <regexp.h> has been removed.  Programs that require
   this header must be updated to use <regex.h> instead.
diff --git a/sysdeps/sparc/sparc32/sem_open.c b/sysdeps/sparc/sparc32/sem_open.c
index 16cb9ad591..59df2d7b9b 100644
--- a/sysdeps/sparc/sparc32/sem_open.c
+++ b/sysdeps/sparc/sparc32/sem_open.c
@@ -29,6 +29,7 @@
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include "semaphoreP.h"
+#include <futex-internal.h>
 #include <shm-directory.h>