diff --git a/kdtree.c b/kdtree.c
index 2fdee28..6d329d8 100644
--- a/kdtree.c
+++ b/kdtree.c
@@ -666,9 +666,9 @@ void *kd_res_itemf(struct kdres *rset, float *pos)
 void *kd_res_item3(struct kdres *rset, double *x, double *y, double *z)
 {
 	if(rset->riter) {
-		if(*x) *x = rset->riter->item->pos[0];
-		if(*y) *y = rset->riter->item->pos[1];
-		if(*z) *z = rset->riter->item->pos[2];
+		if(x) *x = rset->riter->item->pos[0];
+		if(y) *y = rset->riter->item->pos[1];
+		if(z) *z = rset->riter->item->pos[2];
 		return rset->riter->item->data;
 	}
 	return 0;
@@ -677,9 +677,9 @@ void *kd_res_item3(struct kdres *rset, double *x, double *y, double *z)
 void *kd_res_item3f(struct kdres *rset, float *x, float *y, float *z)
 {
 	if(rset->riter) {
-		if(*x) *x = rset->riter->item->pos[0];
-		if(*y) *y = rset->riter->item->pos[1];
-		if(*z) *z = rset->riter->item->pos[2];
+		if(x) *x = rset->riter->item->pos[0];
+		if(y) *y = rset->riter->item->pos[1];
+		if(z) *z = rset->riter->item->pos[2];
 		return rset->riter->item->data;
 	}
 	return 0;