diff --git a/inst/tests/tests.Rraw b/inst/tests/tests.Rraw
index 3a07b0fd0..dbfb740e6 100644
--- a/inst/tests/tests.Rraw
+++ b/inst/tests/tests.Rraw
@@ -14079,7 +14079,7 @@ test(2005.1, truelength(NULL), 0L)
 DT = data.table(a=1:3, b=4:6)
 test(2005.2, set(DT, 4L, "b", NA), error="i[1] is 4 which is out of range [1,nrow=3]")
 test(2005.3, set(DT, 3L, 8i, NA), error="j is type 'complex'. Must be integer, character, or numeric is coerced with warning.")
-test(2005.4, set(DT, 1L, 2L, expression(x+2)), error="(list) object cannot be coerced to type 'integer'") # R's error message same as returned by as.integer(expression(x+2))
+test(2005.4, set(DT, 1L, 2L, expression(x+2)), error="cannot be coerced to.*integer") # R's error message same as returned by as.integer(expression(x+2))
 DT[,foo:=factor(c("a","b","c"))]
 test(2005.5, DT[2, foo:=8i], error="Can't assign to column 'foo' (type 'factor') a value of type 'complex' (not character, factor, integer or numeric)")
 test(2005.6, DT[2, a:=9, verbose=TRUE], output="Coerced length-1 RHS from double to integer to match column's type. No precision was lost. If this")