diff --git a/exec/cpg.c b/exec/cpg.c
index 6066703a..6fd7b18b 100644
--- a/exec/cpg.c
+++ b/exec/cpg.c
@@ -33,7 +33,9 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifndef OPENAIS_BSD
 #include <alloca.h>
+#endif
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
diff --git a/exec/totempg.c b/exec/totempg.c
index f7614010..f6df1e95 100644
--- a/exec/totempg.c
+++ b/exec/totempg.c
@@ -82,7 +82,9 @@
  *	
  */
 
+#ifndef OPENAIS_BSD
 #include <alloca.h>
+#endif
 #include <netinet/in.h>
 #include <sys/uio.h>
 #include <stdio.h>
diff --git a/exec/totemsrp.c b/exec/totemsrp.c
index b7ad48a7..6803394b 100644
--- a/exec/totemsrp.c
+++ b/exec/totemsrp.c
@@ -48,7 +48,9 @@
  *   usage on 1.6ghz xeon from 35% to less then .1 % as measured by top
  */
 
+#ifndef OPENAIS_BSD
 #include <alloca.h>
+#endif
 #include <assert.h>
 #include <sys/mman.h>
 #include <sys/types.h>