diff --git a/vlib/toml/checker/checker.v b/vlib/toml/checker/checker.v
index 4293b62a45..b6912db8d2 100644
--- a/vlib/toml/checker/checker.v
+++ b/vlib/toml/checker/checker.v
@@ -437,17 +437,24 @@ fn (c Checker) check_quoted_escapes(q ast.Quoted) ? {
 			escape := ch_byte.ascii_str() + next_ch.ascii_str()
 			if is_basic {
 				if q.is_multiline {
-					if next_ch == byte(32) {
-						if s.peek(1) == byte(92) {
-							st := s.state()
-							return error(@MOD + '.' + @STRUCT + '.' + @FN +
-								' can not escape whitespaces before escapes in multi-line strings (`\\ \\`) at `$escape` ($st.line_nr,$st.col) in ...${c.excerpt(q.pos)}...')
-						}
+					if next_ch == ` ` {
 						if !contains_newlines {
 							st := s.state()
 							return error(@MOD + '.' + @STRUCT + '.' + @FN +
 								' can not escape whitespaces in multi-line strings (`\\ `) at `$escape` ($st.line_nr,$st.col) in ...${c.excerpt(q.pos)}...')
 						}
+						// Rest of line must only be space chars from this point on
+						for {
+							ch_ := s.next()
+							if ch_ == scanner.end_of_text || ch_ == `\n` {
+								break
+							}
+							if !(ch_ == ` ` || ch_ == `\t`) {
+								st := s.state()
+								return error(@MOD + '.' + @STRUCT + '.' + @FN +
+									' invalid character `${byte(ch_).ascii_str()}` after `$escape` at ($st.line_nr,$st.col) in ...${c.excerpt(q.pos)}...')
+							}
+						}
 					}
 					if next_ch in [`\t`, `\n`, ` `] {
 						s.next()
diff --git a/vlib/toml/tests/alexcrichton.toml-rs-tests_test.v b/vlib/toml/tests/alexcrichton.toml-rs-tests_test.v
index 46b3eac844..6199c01191 100644
--- a/vlib/toml/tests/alexcrichton.toml-rs-tests_test.v
+++ b/vlib/toml/tests/alexcrichton.toml-rs-tests_test.v
@@ -14,9 +14,7 @@ const (
 		'valid/example-v0.4.0.toml',
 		'valid/datetime-truncate.toml', // Not considered valid since RFC 3339 doesn't permit > 6 ms digits ??
 	]
-	invalid_exceptions     = [
-		'invalid/string-bad-line-ending-escape.toml',
-	]
+	invalid_exceptions     = []string{}
 
 	valid_value_exceptions = [
 		// These have correct values, and should've passed, but the format of arrays is *mixed* in the JSON ??