diff --git a/src/core/excelreader.cpp b/src/core/excelreader.cpp
index 7ef401d..7c6abe2 100644
--- a/src/core/excelreader.cpp
+++ b/src/core/excelreader.cpp
@@ -22,20 +22,14 @@ std::size_t ExcelReader::readSellersFromFile(const fs::path& filePath, Marketpla
     market->storeToDb(true);
     auto ws = wb.sheet_by_index(0);
 
-    const int START_ROW = 5;
-    const int END_ROW = 504;
-
-    int rowCount{};
-    for (const auto& row : ws.rows(false)) {
-        if (rowCount < START_ROW) {
-            ++rowCount;
+    for (auto row : ws.rows(true)) {
+        // Skip the row if the first value is not a number (= seller no)
+        if (row[0].data_type() != xlnt::cell::type::number) {
             continue;
-        } else if (rowCount > END_ROW) {
-            break;
         }
 
+        //Skip the row if the seller has neither a first name nor a surname
         if (row[2].value<std::string>().empty() && row[3].value<std::string>().empty()) {
-            ++rowCount;
             continue;
         }
         auto seller = std::make_unique<Seller>();
@@ -46,7 +40,6 @@ std::size_t ExcelReader::readSellersFromFile(const fs::path& filePath, Marketpla
         std::string lastName = row[3].value<std::string>();
         seller->setLastName(trim(lastName));
         market->getSellers().push_back(std::move(seller));
-        rowCount++;
     }
 
     // If there was no special seller "Sonderkonto" in import data, then create one