diff --git a/Tests/test_imagepath.py b/Tests/test_imagepath.py

index beadff1..a0dee28 100644

--- a/Tests/test_imagepath.py

+++ b/Tests/test_imagepath.py

@@ -47,3 +47,8 @@ def test_path():

     assert_equal(list(p), [(0.0, 1.0)])

     p = ImagePath.Path(array.array("f", [0, 1]).tostring())

     assert_equal(list(p), [(0.0, 1.0)])

+

+def test_getbbox():

+    for coords in (0,1):

+        p = ImagePath.Path(coords)

+        assert_equal(p.getbbox(), (0.0, 0.0, 0.0, 0.0))

diff --git a/path.c b/path.c

index 871da93..059e738 100644

--- a/path.c

+++ b/path.c

@@ -57,7 +57,7 @@ alloc_array(Py_ssize_t count)

         PyErr_NoMemory();

         return NULL;

     }

-    xy = malloc(2 * count * sizeof(double) + 1);

+    xy = calloc(2 * count + 1, sizeof(double));

     if (!xy)

         PyErr_NoMemory();

     return xy;

@@ -336,18 +336,27 @@ path_getbbox(PyPathObject* self, PyObject* args)

     xy = self->xy;

-    x0 = x1 = xy[0];

-    y0 = y1 = xy[1];

-

-    for (i = 1; i < self->count; i++) {

-	if (xy[i+i] < x0)

-	    x0 = xy[i+i];

-	if (xy[i+i] > x1)

-	    x1 = xy[i+i];

-	if (xy[i+i+1] < y0)

-	    y0 = xy[i+i+1];

-	if (xy[i+i+1] > y1)

-	    y1 = xy[i+i+1];

+    if (self->count == 0) {

+        x0 = x1 = 0;

+        y0 = y1 = 0;

+    } else {

+        x0 = x1 = xy[0];

+        y0 = y1 = xy[1];

+

+        for (i = 1; i < self->count; i++) {

+            if (xy[i + i] < x0) {

+                x0 = xy[i + i];

+            }

+            if (xy[i + i] > x1) {

+                x1 = xy[i + i];

+            }

+            if (xy[i + i + 1] < y0) {

+                y0 = xy[i + i + 1];

+            }

+            if (xy[i + i + 1] > y1) {

+                y1 = xy[i + i + 1];

+            }

+        }

     }

     return Py_BuildValue("dddd", x0, y0, x1, y1);