diff --git a/libraries/base/common/src/vhdl/common_pkg.vhd b/libraries/base/common/src/vhdl/common_pkg.vhd
index 30edfe8dc9e4010bca8fa7c5190940b7266eaaac..b0d8e97ffabb25bf26f6f12596f688048f94ca6f 100644
--- a/libraries/base/common/src/vhdl/common_pkg.vhd
+++ b/libraries/base/common/src/vhdl/common_pkg.vhd
@@ -99,7 +99,8 @@ PACKAGE common_pkg IS
   
   -- DSP
   CONSTANT c_dsp_mult_w           : NATURAL := 18;   -- Width of the embedded multipliers in Stratix IV (and Arria 10 for 2 multipliers per DSP block)
-  CONSTANT c_dsp_mult_arria10_w   : NATURAL := 27;   -- Width of the embedded multipliers in Arria 10
+  CONSTANT c_dsp_mult_18_w        : NATURAL := 18;   -- Width of the embedded multipliers in Stratix IV (and Arria 10 for 2 multipliers per DSP block)
+  CONSTANT c_dsp_mult_27_w        : NATURAL := 27;   -- Width of the embedded multipliers in Arria 10
   
   -- TYPE DECLARATIONS --------------------------------------------------------
   TYPE t_boolean_arr     IS ARRAY (INTEGER RANGE <>) OF BOOLEAN;   -- INTEGER left index starts default at -2**31
diff --git a/libraries/dsp/rTwoSDF/src/vhdl/rTwoWMul.vhd b/libraries/dsp/rTwoSDF/src/vhdl/rTwoWMul.vhd
index ab08dfeb93f79b36b15f944a828ccdf4555224a9..ead344fece9b262abc3641dabb2795592cf2041c 100644
--- a/libraries/dsp/rTwoSDF/src/vhdl/rTwoWMul.vhd
+++ b/libraries/dsp/rTwoSDF/src/vhdl/rTwoWMul.vhd
@@ -70,7 +70,7 @@ architecture str of rTwoWMul is
   constant c_mult_extra_lat   : natural := sel_a_b(c_lat>3, c_lat-3, 0);               -- remaining extra pipelining in logic
   constant c_mult_output_lat  : natural := sel_a_b(c_lat>0, 1, 0) + c_mult_extra_lat;  -- first priority use DSP pipeline output
   constant c_mult_lat         : natural := c_mult_input_lat + c_mult_product_lat + c_mult_adder_lat + c_mult_output_lat;
-  constant c_max_dsp_mult_w   : natural := sel_a_b(g_technology = c_tech_stratixiv, c_dsp_mult_w, c_dsp_mult_arria10_w);
+  constant c_max_dsp_mult_w   : natural := sel_a_b(g_technology = c_tech_stratixiv, c_dsp_mult_18_w, c_dsp_mult_27_w);
  
   -- Total input to output latency
   constant c_total_lat   : natural := c_mult_lat + c_round_lat;