diff --git a/test/pack_test.cpp b/test/pack_test.cpp
index 7e9513017..b752e1cec 100644
--- a/test/pack_test.cpp
+++ b/test/pack_test.cpp
@@ -432,6 +432,7 @@ const PkItemStruct PackedHellfireItems[] = {
 	{  438248055,         711, 136,   5,   32,    32,   0,    0,      0,      0 }, // Civerb's Cudgel
 	{ 1133027011,         328, 139,   3,    8,    20,   0,    0,      0,      0 }, // Deadly Club
 	{  224835143,         732, 144,   5,  255,   255,   0,    0,      0,      0 }, // Gnat Sting
+	{ 1498080548,         796, 138,   5,  255,   255,   0,    0,      0,      0 }, // Thunderclap
 	// clang-format on
 };
 
@@ -499,6 +500,7 @@ const TestItemStruct HellfireItems[] = {
 	{ "Civerb's Cudgel",                  4,       1,     59,     2000,        1,        8,    0, 1073741824,        0,       0,         0,            0,           32,       32,       0,         0,      0,       0,      -2,      -5,       0,      0,      0,      0,        0,      0,          0,          0,         0,           0,    47,         0,         0,         0,         0,         -1,         -1,       16,        0,        0,   136 },
 	{ "Deadly Club",                      4,       1,     70,     1556,        3,        6,    0,          0,        0,       0,         0,            0,            8,       20,      47,         0,      0,       0,       0,       0,       0,      0,      0,      0,        0,      0,          0,          0,         0,           0,     0,         0,         0,         0,         0,          2,         -1,       18,        0,        0,   139 },
 	{ "Gnat Sting",                       3,       1,    210,    30000,        1,        2,    0,     131584,        0,       0,         0,            0,          255,      255,       0,         0,      0,       0,       0,       0,       0,      0,      0,      0,        0,      0,          0,          0,         0,           0,    98,         0,         0,         0,         0,         -1,         -1,       20,        0,       35,   144 },
+	{ "Thunderclap",                      4,       1,    205,    30000,        5,        9,    0,         48,        0,       0,         0,            0,          255,      255,       0,         0,      0,      20,       0,       0,       0,      0,     30,      0,        0,      0,          0,          0,         2,           0,   102,         3,         6,         2,         0,         -1,         -1,       40,        0,        0,   138 },
 	// clang-format on
 };