diff --git a/include/lber.h b/include/lber.h
index 5db9fb39f3..c01b3acc04 100644
--- a/include/lber.h
+++ b/include/lber.h
@@ -149,7 +149,8 @@ typedef struct lber_memory_fns {
 #define LBER_OPT_SOCKBUF_DEBUG		0x1002
 
 /* on/off values */
-#define LBER_OPT_ON		((void *) 1)
+extern char ber_pvt_opt_on;
+#define LBER_OPT_ON		((void *) &ber_pvt_opt_on)
 #define LBER_OPT_OFF	((void *) 0)
 
 #define LBER_OPT_SUCCESS	(0)
diff --git a/include/ldap.h b/include/ldap.h
index 6b3fcf1423..e28755214c 100644
--- a/include/ldap.h
+++ b/include/ldap.h
@@ -144,7 +144,7 @@ LDAP_BEGIN_DECL
 #define	LDAP_OPT_X_SASL_MAXBUFSIZE		0x6109
 
 /* on/off values */
-#define LDAP_OPT_ON		((void *) 1)
+#define LDAP_OPT_ON		((void *) &ber_pvt_opt_on)
 #define LDAP_OPT_OFF	((void *) 0)
 
 /*
diff --git a/libraries/liblber/options.c b/libraries/liblber/options.c
index f59dcc1393..d2371567e7 100644
--- a/libraries/liblber/options.c
+++ b/libraries/liblber/options.c
@@ -10,6 +10,8 @@
 #include <ac/stdarg.h>
 #include "lber-int.h"
 
+char ber_pvt_opt_on;	/* used to get a non-NULL address for *_OPT_ON */
+
 struct lber_options ber_int_options = {
 	LBER_UNINITIALIZED, 0, 0, 0 };