diff --git a/litex/build/generic_programmer.py b/litex/build/generic_programmer.py
index 814f5da62..bcee61006 100644
--- a/litex/build/generic_programmer.py
+++ b/litex/build/generic_programmer.py
@@ -91,8 +91,8 @@ class GenericProgrammer:
     def flash(self, address, data_file):
         raise NotImplementedError
 
-    def call(self, command):
-        if subprocess.call(command) != 0:
+    def call(self, command, check=True):
+        if (subprocess.call(command) != 0) and check:
             msg = f"Error occured during {self.__class__.__name__}'s call, please check:\n"
             msg += f"- {self.__class__.__name__} installation.\n"
             msg += f"- access permissions.\n"