diff --git a/dsdl/uavcan/protocol/param/599.GetSet.uavcan b/dsdl/uavcan/protocol/param/599.GetSet.uavcan
index a5da59837e..5a3746f002 100644
--- a/dsdl/uavcan/protocol/param/599.GetSet.uavcan
+++ b/dsdl/uavcan/protocol/param/599.GetSet.uavcan
@@ -11,7 +11,7 @@ Value value
 uint8 index
 
 # Name of the parameter; always preferred over index if nonempty.
-uint8[<64] name
+uint8[<=80] name
 
 ---
 
@@ -27,4 +27,4 @@ Value max_value      # Optional
 Value min_value      # Optional
 
 # Empty name in response indicates that there is no such parameter
-uint8[<64] name
+uint8[<=80] name
diff --git a/dsdl/uavcan/protocol/param/ValueString.uavcan b/dsdl/uavcan/protocol/param/ValueString.uavcan
index 2e44a557a3..1607f0935f 100644
--- a/dsdl/uavcan/protocol/param/ValueString.uavcan
+++ b/dsdl/uavcan/protocol/param/ValueString.uavcan
@@ -2,4 +2,4 @@
 # This type is nested in Value.
 #
 
-uint8[<=80] value
+uint8[<64] value