diff --git a/agent/src/file_datasource.py b/agent/src/file_datasource.py
index 538bfba..b166398 100644
--- a/agent/src/file_datasource.py
+++ b/agent/src/file_datasource.py
@@ -203,9 +203,16 @@ class FileDatasource:
     def _parse_acc(row: List[str]) -> Accelerometer:
         if len(row) < 3:
             raise ValueError(f"Accelerometer row must have 3 values (x,y,z). Got: {row}")
-        x = int(row[0])
-        y = int(row[1])
-        z = int(row[2])
+
+        try:
+            x = int(row[0])
+            y = int(row[1])
+            z = int(row[2])
+        except ValueError as e:
+            raise ValueError(
+                f"Invalid accelerometer values (expected integers): {row}"
+            ) from e
+
         return Accelerometer(x=x, y=y, z=z)
 
     @staticmethod