diff --git a/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_black_box.rs b/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_black_box.rs
index 874be06b86c..36b5f8793cb 100644
--- a/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_black_box.rs
+++ b/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_black_box.rs
@@ -246,7 +246,7 @@ pub(crate) fn convert_black_box_call(
                 });
             } else {
                 unreachable!(
-                    "ICE: EmbeddedCurveAdd expects two register arguments and one array result"
+                    "ICE: BigIntAdd expects two register arguments and one result register"
                 )
             }
         }
@@ -263,7 +263,7 @@ pub(crate) fn convert_black_box_call(
                 });
             } else {
                 unreachable!(
-                    "ICE: EmbeddedCurveAdd expects two register arguments and one array result"
+                    "ICE: BigIntSub expects two register arguments and one result register"
                 )
             }
         }
@@ -280,7 +280,7 @@ pub(crate) fn convert_black_box_call(
                 });
             } else {
                 unreachable!(
-                    "ICE: EmbeddedCurveAdd expects two register arguments and one array result"
+                    "ICE: BigIntMul expects two register arguments and one result register"
                 )
             }
         }
@@ -297,7 +297,7 @@ pub(crate) fn convert_black_box_call(
                 });
             } else {
                 unreachable!(
-                    "ICE: EmbeddedCurveAdd expects two register arguments and one array result"
+                    "ICE: BigIntDiv expects two register arguments and one result register"
                 )
             }
         }
@@ -314,7 +314,7 @@ pub(crate) fn convert_black_box_call(
                 });
             } else {
                 unreachable!(
-                    "ICE: EmbeddedCurveAdd expects two register arguments and one array result"
+                    "ICE: BigIntFromLeBytes expects two register arguments and one result register"
                 )
             }
         }
@@ -330,7 +330,7 @@ pub(crate) fn convert_black_box_call(
                 });
             } else {
                 unreachable!(
-                    "ICE: EmbeddedCurveAdd expects two register arguments and one array result"
+                    "ICE: BigIntToLeBytes expects one register argument and one array result"
                 )
             }
         }