diff --git a/src/datatype/datatype.h b/src/datatype/datatype.h
index da0ea536bd..9ef68bc0af 100644
--- a/src/datatype/datatype.h
+++ b/src/datatype/datatype.h
@@ -28,7 +28,7 @@ extern ompi_pointer_array_t *ompi_datatype_f_to_c_table;
 /* if there are more basic datatypes than the number of bytes in the int type
  * the bdt_used field of the data description struct should be changed to long.
  */
-#define DT_MAX_PREDEFINED  0x2A
+#define DT_MAX_PREDEFINED  0x2B
 
 #define DT_INCREASE_STACK  32
 
diff --git a/src/datatype/datatype_internal.h b/src/datatype/datatype_internal.h
index b1c9a39547..90eed4c497 100644
--- a/src/datatype/datatype_internal.h
+++ b/src/datatype/datatype_internal.h
@@ -69,7 +69,8 @@
 #define DT_WCHAR                   0x26
 #define DT_2COMPLEX                0x27
 #define DT_2DOUBLE_COMPLEX         0x28
-#define DT_UNAVAILABLE             0x29
+#define DT_CXX_BOOL                0x29
+#define DT_UNAVAILABLE             0x2A
 /* If the number of basic datatype should change update
  * DT_MAX_PREDEFINED in datatype.h
  */
diff --git a/src/datatype/dt_module.c b/src/datatype/dt_module.c
index 5b8bb0d054..3284cde828 100644
--- a/src/datatype/dt_module.c
+++ b/src/datatype/dt_module.c
@@ -75,6 +75,7 @@ ompi_datatype_t basicDatatypes[DT_MAX_PREDEFINED] = {
     INIT_BASIC_TYPE( DT_WCHAR, WCHAR ),
     INIT_BASIC_TYPE( DT_2COMPLEX, 2COMPLEX ),
     INIT_BASIC_TYPE( DT_2DOUBLE_COMPLEX, 2DOUBLE_COMPLEX ),
+    INIT_BASIC_DATA( int, OMPI_ALIGNMENT_INT, CXX_BOOL ),
     INIT_BASIC_TYPE( DT_UNAVAILABLE, UNAVAILABLE )
 };
 
@@ -116,7 +117,7 @@ ompi_datatype_t* ompi_mpi_unsigned_long_long = basicDatatypes + DT_UNSIGNED_LONG
 ompi_datatype_t* ompi_mpi_cxx_cplex = basicDatatypes + DT_COMPLEX_FLOAT;
 ompi_datatype_t* ompi_mpi_cxx_dblcplex = basicDatatypes + DT_COMPLEX_DOUBLE;
 ompi_datatype_t* ompi_mpi_cxx_ldblcplex = basicDatatypes + DT_COMPLEX_LONG_DOUBLE;
-ompi_datatype_t* ompi_mpi_cxx_bool;
+ompi_datatype_t* ompi_mpi_cxx_bool = basicDatatypes + DT_CXX_BOOL;
 ompi_datatype_t* ompi_mpi_2cplex = basicDatatypes + DT_2COMPLEX;
 ompi_datatype_t* ompi_mpi_2dblcplex = basicDatatypes + DT_2DOUBLE_COMPLEX;