diff --git a/scikits/image/graph/spath.pxd b/scikits/image/graph/spath.pxd
new file mode 100644
index 00000000..f805f127
--- /dev/null
+++ b/scikits/image/graph/spath.pxd
@@ -0,0 +1,3 @@
+cimport numpy as np
+
+cpdef shortest_path(np.ndarray, int)
\ No newline at end of file