diff --git a/hw/ip/prim/rtl/prim_mubi_pkg.sv b/hw/ip/prim/rtl/prim_mubi_pkg.sv
index dafff61..9aff720 100644
--- a/hw/ip/prim/rtl/prim_mubi_pkg.sv
+++ b/hw/ip/prim/rtl/prim_mubi_pkg.sv
@@ -28,7 +28,7 @@
   endfunction : mubi4_test_invalid
 
   // Convert a 1 input value to a mubi output
-  function automatic mubi4_e mubi4_bool_to_mubi(logic val);
+  function automatic mubi4_t mubi4_bool_to_mubi(logic val);
     return (val ? MuBi4True : MuBi4False);
   endfunction : mubi4_bool_to_mubi
 
@@ -157,7 +157,7 @@
   endfunction : mubi8_test_invalid
 
   // Convert a 1 input value to a mubi output
-  function automatic mubi8_e mubi8_bool_to_mubi(logic val);
+  function automatic mubi8_t mubi8_bool_to_mubi(logic val);
     return (val ? MuBi8True : MuBi8False);
   endfunction : mubi8_bool_to_mubi
 
@@ -286,7 +286,7 @@
   endfunction : mubi12_test_invalid
 
   // Convert a 1 input value to a mubi output
-  function automatic mubi12_e mubi12_bool_to_mubi(logic val);
+  function automatic mubi12_t mubi12_bool_to_mubi(logic val);
     return (val ? MuBi12True : MuBi12False);
   endfunction : mubi12_bool_to_mubi
 
@@ -415,7 +415,7 @@
   endfunction : mubi16_test_invalid
 
   // Convert a 1 input value to a mubi output
-  function automatic mubi16_e mubi16_bool_to_mubi(logic val);
+  function automatic mubi16_t mubi16_bool_to_mubi(logic val);
     return (val ? MuBi16True : MuBi16False);
   endfunction : mubi16_bool_to_mubi
 
diff --git a/util/design/data/prim_mubi_pkg.sv.tpl b/util/design/data/prim_mubi_pkg.sv.tpl
index 94d0b01..f627ec0 100644
--- a/util/design/data/prim_mubi_pkg.sv.tpl
+++ b/util/design/data/prim_mubi_pkg.sv.tpl
@@ -35,7 +35,7 @@
   endfunction : mubi${nbits}_test_invalid
 
   // Convert a 1 input value to a mubi output
-  function automatic mubi${nbits}_e mubi${nbits}_bool_to_mubi(logic val);
+  function automatic mubi${nbits}_t mubi${nbits}_bool_to_mubi(logic val);
     return (val ? MuBi${nbits}True : MuBi${nbits}False);
   endfunction : mubi${nbits}_bool_to_mubi