diff --git a/BUGS.rst b/BUGS.rst
index e9ff3b4..daefc43 100644
--- a/BUGS.rst
+++ b/BUGS.rst
@@ -60,3 +60,6 @@ Moreover, the non-normalized legendre functions that are used in translations.c
 are likely to overflow for even smaller values of l. 
 Therefore TODO: modify translations.c in a way that uses normalised legendre functions everywhere.
 
+Memory management
+-----------------
+When compiled with optimizations, I get stack smashing error in  qpms_trans_calculator_get_2DFT_longrange_AB_arrays().
diff --git a/qpms/translations.c b/qpms/translations.c
index f5963b1..14307bd 100644
--- a/qpms/translations.c
+++ b/qpms/translations.c
@@ -1274,7 +1274,6 @@ int qpms_trans_calculator_get_shortrange_AB_arrays(const qpms_trans_calculator *
       bes, leg);
 }
 
-
 // Long-range parts
 static inline complex double qpms_trans_calculator_get_2DFT_longrange_A_precalcbuf(const qpms_trans_calculator *c,
     int m, int n, int mu, int nu, sph_t k_sph /* theta must be M_PI_2 */,
@@ -1423,7 +1422,7 @@ int qpms_trans_calculator_get_2DFT_longrange_AB_arrays_buf(const qpms_trans_calc
   assert(0);
 }
 
-
+// FIXME i get stack smashing error inside the following function if compiled with optimizations
 int qpms_trans_calculator_get_2DFT_longrange_AB_arrays(const qpms_trans_calculator *c,
                 complex double *Adest, complex double *Bdest,
                 size_t deststride, size_t srcstride,