diff --git a/lab3_page7.py b/lab3_page7.py
index 47b5503..42197bd 100644
--- a/lab3_page7.py
+++ b/lab3_page7.py
@@ -185,7 +185,7 @@ def load_scope_data(filename):
             except (ValueError, IndexError):
                 # This handles any malformed lines or conversion errors
                 print(f"Skipping malformed row: {row}")
-    return timearr, v1arr, v2arr
+    return np.array(timearr), np.array(v1arr), np.array(v2arr)
 
 def test_interp():
     A = 1.0