diff --git a/skimage/filters/rank/generic_cy.pyx b/skimage/filters/rank/generic_cy.pyx
index 9ff17dd5..11e6ba8c 100644
--- a/skimage/filters/rank/generic_cy.pyx
+++ b/skimage/filters/rank/generic_cy.pyx
@@ -4,10 +4,11 @@
 #cython: wraparound=False
 
 cimport numpy as cnp
-from libc.math cimport log, exp, round
+from libc.math cimport log, exp
 
 from .core_cy cimport dtype_t, dtype_t_out, _core
 
+from ..._shared.interpolation cimport round 
 
 cdef inline void _kernel_autolevel(dtype_t_out* out, Py_ssize_t odepth,
                                    Py_ssize_t* histo,