diff --git a/src/AMOEBA/pair_amoeba.cpp b/src/AMOEBA/pair_amoeba.cpp
index bf52524567..1f1baa0280 100644
--- a/src/AMOEBA/pair_amoeba.cpp
+++ b/src/AMOEBA/pair_amoeba.cpp
@@ -134,6 +134,14 @@ PairAmoeba::PairAmoeba(LAMMPS *lmp) : Pair(lmp)
 
   id_pole = id_udalt = id_upalt = nullptr;
 
+  memset(special_hal, 0 , sizeof(special_hal));
+  memset(special_repel, 0 , sizeof(special_repel));
+  memset(special_disp, 0 , sizeof(special_disp));
+  memset(special_mpole, 0 , sizeof(special_mpole));
+  memset(special_polar_pscale, 0 , sizeof(special_polar_pscale));
+  memset(special_polar_piscale, 0 , sizeof(special_polar_piscale));
+  memset(special_polar_wscale, 0 , sizeof(special_polar_wscale));
+
   nualt = 0;
   first_flag = 1;
   first_flag_compute = 1;
diff --git a/src/AMOEBA/pair_amoeba.h b/src/AMOEBA/pair_amoeba.h
index 84bc480062..ad80a74879 100644
--- a/src/AMOEBA/pair_amoeba.h
+++ b/src/AMOEBA/pair_amoeba.h
@@ -99,13 +99,13 @@ class PairAmoeba : public Pair {
 
   int poltyp;
 
-  double special_hal[5];
-  double special_repel[5];
-  double special_disp[5];
-  double special_mpole[5];
-  double special_polar_pscale[5];
-  double special_polar_piscale[5];
-  double special_polar_wscale[5];
+  double special_hal[8];
+  double special_repel[8];
+  double special_disp[8];
+  double special_mpole[8];
+  double special_polar_pscale[8];
+  double special_polar_piscale[8];
+  double special_polar_wscale[8];
 
   double polar_dscale, polar_uscale;