diff --git a/src/game/inv.h b/src/game/inv.h
index e41b1cb76..25bcf4886 100644
--- a/src/game/inv.h
+++ b/src/game/inv.h
@@ -21,6 +21,7 @@ extern INVENTORY_ITEM *InvOptionList[5];
 
 extern INVENTORY_ITEM InvItemCompass;
 extern INVENTORY_ITEM InvItemMedi;
+extern INVENTORY_ITEM InvItemBigMedi;
 
 extern TEXTSTRING *InvItemText[2];
 extern TEXTSTRING *InvRingText;
diff --git a/src/game/invvars.c b/src/game/invvars.c
index 34efa4f5b..14af4c4d5 100644
--- a/src/game/invvars.c
+++ b/src/game/invvars.c
@@ -123,3 +123,29 @@ INVENTORY_ITEM InvItemMedi = {
     .inv_pos = 7,
     .sprlist = NULL,
 };
+
+INVENTORY_ITEM InvItemBigMedi = {
+    .string = "Large Medi Pack",
+    .object_number = O_BIGMEDI_OPTION,
+    .frames_total = 20,
+    .current_frame = 0,
+    .goal_frame = 0,
+    .open_frame = 19,
+    .anim_direction = 1,
+    .anim_speed = 1,
+    .anim_count = 0,
+    .pt_xrot_sel = 3616,
+    .pt_xrot = 0,
+    .x_rot_sel = -8160,
+    .x_rot = 0,
+    .y_rot_sel = -4096,
+    .y_rot = 0,
+    .ytrans_sel = 0,
+    .ytrans = 0,
+    .ztrans_sel = 352,
+    .ztrans = 0,
+    .which_meshes = 0xFFFFFFFF,
+    .drawn_meshes = 0xFFFFFFFF,
+    .inv_pos = 6,
+    .sprlist = NULL,
+};
diff --git a/src/global/vars.h b/src/global/vars.h
index 801fdbc32..a1f0c462f 100644
--- a/src/global/vars.h
+++ b/src/global/vars.h
@@ -118,7 +118,6 @@ extern int32_t KeyChange;
 #define CompassNeedle           VAR_U_(0x0045A0AC, int16_t)
 #define Item_Data               VAR_U_(0x0045A0B8, int16_t)
 
-#define InvItemBigMedi          VAR_U_(0x00455A20, INVENTORY_ITEM)
 #define InvItemLeadBar          VAR_U_(0x00455A60, INVENTORY_ITEM)
 #define InvItemPickup1          VAR_U_(0x00455AA0, INVENTORY_ITEM)
 #define InvItemPickup2          VAR_U_(0x00455AE0, INVENTORY_ITEM)