diff --git a/litex/boards/platforms/kc705.py b/litex/boards/platforms/kc705.py
index fdac88533..889c57430 100644
--- a/litex/boards/platforms/kc705.py
+++ b/litex/boards/platforms/kc705.py
@@ -496,7 +496,8 @@ set_property CONFIG_VOLTAGE 2.5 [current_design]
         elif self.programmer == "impact":
             return iMPACT()
         else:
-            raise ValueError("{} programmer is not supported".format(programmer))
+            raise ValueError("{} programmer is not supported".format(
+                self.programmer))
 
     def do_finalize(self, fragment):
         XilinxPlatform.do_finalize(self, fragment)
diff --git a/litex/boards/platforms/minispartan6.py b/litex/boards/platforms/minispartan6.py
index 681786f85..d22e9553a 100644
--- a/litex/boards/platforms/minispartan6.py
+++ b/litex/boards/platforms/minispartan6.py
@@ -123,4 +123,5 @@ class Platform(XilinxPlatform):
         elif self.programmer == "fpgaprog":
             return FpgaProg()
         else:
-            raise ValueError("{} programmer is not supported".format(programmer))
+            raise ValueError("{} programmer is not supported".format(
+                self.programmer))