diff --git a/c/src/exec/posix/headers/cond.h b/c/src/exec/posix/headers/cond.h
index 5533aff455..785ca33ae7 100644
--- a/c/src/exec/posix/headers/cond.h
+++ b/c/src/exec/posix/headers/cond.h
@@ -24,6 +24,13 @@ extern "C" {
 #include <rtems/score/object.h>
 #include <rtems/score/threadq.h>
 
+/*
+ *  Constant to indicate condition variable does not currently have
+ *  a mutex assigned to it.
+ */
+
+#define POSIX_CONDITION_VARIABLES_NO_MUTEX 0
+
 /*
  *  Data Structure used to manage a POSIX condition variable
  */
diff --git a/c/src/exec/posix/include/rtems/posix/cond.h b/c/src/exec/posix/include/rtems/posix/cond.h
index 5533aff455..785ca33ae7 100644
--- a/c/src/exec/posix/include/rtems/posix/cond.h
+++ b/c/src/exec/posix/include/rtems/posix/cond.h
@@ -24,6 +24,13 @@ extern "C" {
 #include <rtems/score/object.h>
 #include <rtems/score/threadq.h>
 
+/*
+ *  Constant to indicate condition variable does not currently have
+ *  a mutex assigned to it.
+ */
+
+#define POSIX_CONDITION_VARIABLES_NO_MUTEX 0
+
 /*
  *  Data Structure used to manage a POSIX condition variable
  */
diff --git a/cpukit/posix/include/rtems/posix/cond.h b/cpukit/posix/include/rtems/posix/cond.h
index 5533aff455..785ca33ae7 100644
--- a/cpukit/posix/include/rtems/posix/cond.h
+++ b/cpukit/posix/include/rtems/posix/cond.h
@@ -24,6 +24,13 @@ extern "C" {
 #include <rtems/score/object.h>
 #include <rtems/score/threadq.h>
 
+/*
+ *  Constant to indicate condition variable does not currently have
+ *  a mutex assigned to it.
+ */
+
+#define POSIX_CONDITION_VARIABLES_NO_MUTEX 0
+
 /*
  *  Data Structure used to manage a POSIX condition variable
  */