diff --git a/libraries/libldap/pagectrl.c b/libraries/libldap/pagectrl.c
index 40093cb6fd..c6f1c4ab75 100644
--- a/libraries/libldap/pagectrl.c
+++ b/libraries/libldap/pagectrl.c
@@ -65,8 +65,9 @@ ldap_create_page_control_value(
 	if ( ld == NULL || value == NULL ||
 		pagesize < 1 || pagesize > LDAP_MAXINT )
 	{
-		ld->ld_errno = LDAP_PARAM_ERROR;
-		return ld->ld_errno;
+		if ( ld )
+			ld->ld_errno = LDAP_PARAM_ERROR;
+		return LDAP_PARAM_ERROR;
 	}
 
 	assert( LDAP_VALID( ld ) );
@@ -195,8 +196,9 @@ ldap_parse_pageresponse_control(
 	ber_int_t count;
 
 	if ( ld == NULL || ctrl == NULL || cookie == NULL ) {
-		ld->ld_errno = LDAP_PARAM_ERROR;
-		return ld->ld_errno;
+		if ( ld )
+			ld->ld_errno = LDAP_PARAM_ERROR;
+		return LDAP_PARAM_ERROR;
 	}
 
 	/* Create a BerElement from the berval returned in the control. */
diff --git a/libraries/libldap/sortctrl.c b/libraries/libldap/sortctrl.c
index 3875387e21..b4e1f8591e 100644
--- a/libraries/libldap/sortctrl.c
+++ b/libraries/libldap/sortctrl.c
@@ -297,8 +297,9 @@ ldap_create_sort_control_value(
 	ber_tag_t	tag;
 
 	if ( ld == NULL || keyList == NULL || value == NULL ) {
-		ld->ld_errno = LDAP_PARAM_ERROR;
-		return ld->ld_errno;
+		if ( ld )
+			ld->ld_errno = LDAP_PARAM_ERROR;
+		return LDAP_PARAM_ERROR;
 	}
 
 	assert( LDAP_VALID( ld ) );
@@ -496,8 +497,7 @@ ldap_parse_sortresponse_control(
 	ber_len_t berLen;
 
 	if (ld == NULL) {
-		ld->ld_errno = LDAP_PARAM_ERROR;
-		return(ld->ld_errno);
+		return LDAP_PARAM_ERROR;
 	}
 
 	if (ctrl == NULL) {
diff --git a/libraries/libldap/vlvctrl.c b/libraries/libldap/vlvctrl.c
index ab731007cd..86528c503c 100644
--- a/libraries/libldap/vlvctrl.c
+++ b/libraries/libldap/vlvctrl.c
@@ -95,8 +95,9 @@ ldap_create_vlv_control_value(
 	BerElement *ber;
 
 	if ( ld == NULL || vlvinfop == NULL || value == NULL ) {
-		ld->ld_errno = LDAP_PARAM_ERROR;
-		return ld->ld_errno;
+		if ( ld )
+			ld->ld_errno = LDAP_PARAM_ERROR;
+		return LDAP_PARAM_ERROR;
 	}
 
 	assert( LDAP_VALID( ld ) );