diff --git a/eive_tmtc/tmtc/acs/acs_ctrl.py b/eive_tmtc/tmtc/acs/acs_ctrl.py
index 92a1843..ce39d4d 100644
--- a/eive_tmtc/tmtc/acs/acs_ctrl.py
+++ b/eive_tmtc/tmtc/acs/acs_ctrl.py
@@ -668,6 +668,7 @@ def handle_gps_data_processed(pw: PrintWrapper, hk_data: bytes):
             fmt_vec, hk_data[current_idx : current_idx + inc_len_vec]
         )
     ]
+    current_idx += inc_len_vec
     velo = [
         f"{val:8.3f}"
         for val in struct.unpack(
@@ -679,7 +680,7 @@ def handle_gps_data_processed(pw: PrintWrapper, hk_data: bytes):
     pw.dlog(f"GPS Longitude: {long} [rad]")
     pw.dlog(f"GPS Position: {pos} [m]")
     pw.dlog(f"GPS Velocity: {velo} [m/s]")
-    pw.printer.print_validity_buffer(hk_data[current_idx:], num_vars=3)
+    pw.printer.print_validity_buffer(hk_data[current_idx:], num_vars=4)
 
 
 def handle_mekf_data(pw: PrintWrapper, hk_data: bytes):