diff --git a/tests/libpanda/safety_helpers.h b/tests/libpanda/safety_helpers.h
index 36887c896..ab4db4757 100644
--- a/tests/libpanda/safety_helpers.h
+++ b/tests/libpanda/safety_helpers.h
@@ -47,6 +47,10 @@ bool get_gas_pressed_prev(void){
   return gas_pressed_prev;
 }
 
+void set_gas_pressed_prev(bool c){
+  gas_pressed_prev = c;
+}
+
 bool get_brake_pressed_prev(void){
   return brake_pressed_prev;
 }
diff --git a/tests/libpanda/safety_helpers.py b/tests/libpanda/safety_helpers.py
index ea41264ae..6b510da6a 100644
--- a/tests/libpanda/safety_helpers.py
+++ b/tests/libpanda/safety_helpers.py
@@ -11,6 +11,7 @@ def setup_safety_helpers(ffi):
   void set_relay_malfunction(bool c);
   bool get_relay_malfunction(void);
   bool get_gas_pressed_prev(void);
+  void set_gas_pressed_prev(bool);
   bool get_brake_pressed_prev(void);
   bool get_regen_braking_prev(void);
   bool get_acc_main_on(void);
@@ -61,6 +62,7 @@ class PandaSafety(Protocol):
   def set_relay_malfunction(self, c: bool) -> None: ...
   def get_relay_malfunction(self) -> bool: ...
   def get_gas_pressed_prev(self) -> bool: ...
+  def set_gas_pressed_prev(self, c: bool) -> None: ...
   def get_brake_pressed_prev(self) -> bool: ...
   def get_regen_braking_prev(self) -> bool: ...
   def get_acc_main_on(self) -> bool: ...