diff --git a/stpkg b/stpkg
index 977475b8e63f602db6e7a270f9028b0dd279f729..79372f711f7e3ed1f527a952f0785caeb71d4d5a 100755
--- a/stpkg
+++ b/stpkg
@@ -732,8 +732,8 @@ __pack() {
         local INIT_WIDTH=$WIDTH
         local INIT_HEIGHT=$HEIGHT
         picture_resize_preview "$DEST" "$NAME"
-        local WIDTH=$( identify -format "%w" "$DEST") >/dev/null
-        local HEIGHT=$(identify -format "%h" "$DEST") >/dev/null
+        local WIDTH=$( identify -format "%w" "$DEST[0]") >/dev/null
+        local HEIGHT=$(identify -format "%h" "$DEST[0]") >/dev/null
 
         # Add the sticker to the index file
         create_sticker_json "$PACK_NAME" "$NAME" "$WIDTH" "$HEIGHT" "$TYPE" "$MXC" >> $DEST_INDEX