diff --git a/streamlit_app.py b/streamlit_app.py
index 2bd9edd..325128d 100644
--- a/streamlit_app.py
+++ b/streamlit_app.py
@@ -153,7 +153,7 @@ def download_tutorial():
         if '.csv' in std_info.name:
             st.session_state.std_information = pd.read_csv(std_info)
         if '.xlsx' in std_info.name:
-            st.session_state.std_information = pd.read_excel(std_info)
+            st.session_state.std_information = pd.read_excel(std_info, index_col=None, header=None)
             st.write(pd.read_excel(std_info))
 
 
@@ -207,7 +207,7 @@ def download_tutorial():
             st.session_state.raw_results = pd.read_csv(results_file)
             st.session_state.raw_results = st.session_state.raw_results.dropna(thresh = 1, axis = 0)
         if '.xlsx' in results_file.name:
-            st.session_state.raw_results = pd.read_excel(results_file, index_col=None, header=None)
+            st.session_state.raw_results = pd.read_excel(results_file)
             st.session_state.raw_results = st.session_state.raw_results.dropna(thresh = 1, axis = 0)
             
         st.write('## Your peaklist data file:')