diff --git a/C/arith1.c b/C/arith1.c
index d99ae6a88..477881b60 100644
--- a/C/arith1.c
+++ b/C/arith1.c
@@ -746,7 +746,7 @@ eval1(Int fi, Term t) {
 
 Term Yap_eval_unary(Int f, Term t)
 {
-  return Yap_FoundArithError(eval1(f,t), t);
+  return eval1(f,t);
 }
 
 static InitUnEntry InitUnTab[] = {
diff --git a/C/arith2.c b/C/arith2.c
index 720d0065c..e79ca6284 100644
--- a/C/arith2.c
+++ b/C/arith2.c
@@ -1076,7 +1076,7 @@ eval2(Int fi, Term t1, Term t2) {
 
 Term Yap_eval_binary(Int f, Term t1, Term t2)
 {
-  return Yap_FoundArithError(eval2(f,t1,t2), 0L);
+  return eval2(f,t1,t2);
 }
 
 static InitBinEntry InitBinTab[] = {