diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2541b671..75768efb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 ### Fixed
+* Declared `f_ndim` as a C `int` in `_allocate_result` so the buffer size is computed in C rather than through a Python object, resolving a Coverity out-of-bounds (OVERRUN) false positive [gh-364](https://github.com/IntelPython/mkl_fft/pull/364)
 
 ## [2.3.2] - 2026-08-04
 
diff --git a/mkl_fft/_pydfti.pyx b/mkl_fft/_pydfti.pyx
index d9158da2..f6b90e28 100644
--- a/mkl_fft/_pydfti.pyx
+++ b/mkl_fft/_pydfti.pyx
@@ -302,6 +302,7 @@ cdef cnp.ndarray _allocate_result(
     cdef cnp.npy_intp *f_shape
     cdef cnp.ndarray f_arr "ff_arrayObject"
     cdef int x_arr_is_fortran
+    cdef int f_ndim
 
     f_ndim = cnp.PyArray_NDIM(x_arr)