diff --git a/lib/src/compiler/tests/testdata/errors/143.out b/lib/src/compiler/tests/testdata/errors/143.out
index 65874b531..6efca407e 100644
--- a/lib/src/compiler/tests/testdata/errors/143.out
+++ b/lib/src/compiler/tests/testdata/errors/143.out
@@ -1,5 +1,5 @@
 error[E001]: syntax error
- --> src/compiler/tests/testdata/includes/included_error.yar:1:15
+ --> src/compiler/tests/testdata/includes/included_error.yar:1:16
   |
 1 | rule included {
-  |               ^ expecting `condition`, found end of file
\ No newline at end of file
+  |                ^ expecting `condition`, found end of file
\ No newline at end of file
diff --git a/lib/src/compiler/tests/testdata/errors/153.in b/lib/src/compiler/tests/testdata/errors/153.in
new file mode 100644
index 000000000..02174f9c8
--- /dev/null
+++ b/lib/src/compiler/tests/testdata/errors/153.in
@@ -0,0 +1,3 @@
+rule test {
+strings:
+    $a = “foo”
\ No newline at end of file
diff --git a/lib/src/compiler/tests/testdata/errors/153.out b/lib/src/compiler/tests/testdata/errors/153.out
new file mode 100644
index 000000000..03ed37195
--- /dev/null
+++ b/lib/src/compiler/tests/testdata/errors/153.out
@@ -0,0 +1,5 @@
+error[E001]: syntax error
+ --> line:3:10
+  |
+3 |     $a = “foo”
+  |          ^^^^^ expecting STRING, regexp or `{`, found `“foo”`
\ No newline at end of file
diff --git a/lib/src/compiler/tests/testdata/errors/64.out b/lib/src/compiler/tests/testdata/errors/64.out
index e674f827c..5fdf034d0 100644
--- a/lib/src/compiler/tests/testdata/errors/64.out
+++ b/lib/src/compiler/tests/testdata/errors/64.out
@@ -1,5 +1,5 @@
 error[E001]: syntax error
- --> line:1:27
+ --> line:1:28
   |
 1 | rule test { condition: true
-  |                           ^ expecting operator or `}`, found end of file
\ No newline at end of file
+  |                            ^ expecting operator or `}`, found end of file
\ No newline at end of file
diff --git a/parser/src/parser/mod.rs b/parser/src/parser/mod.rs
index b2f98b991..b9c4226e1 100644
--- a/parser/src/parser/mod.rs
+++ b/parser/src/parser/mod.rs
@@ -543,8 +543,8 @@ impl<'src> ParserImpl<'src> {
             None => {
                 // Special case when the end of the source is reached. The span
                 // used for error reporting is a zero-length span pointing to
-                // last byte in the source code.
-                let last = self.tokens.source().len().saturating_sub(1) as u32;
+                // the end of the code.
+                let last = self.tokens.source().len() as u32;
                 (None, None, Span(last..last))
             }
             Some(token) => (
diff --git a/parser/src/parser/tests/testdata/basic-error-3.ast b/parser/src/parser/tests/testdata/basic-error-3.ast
index 8f0633670..b79a31ea4 100644
--- a/parser/src/parser/tests/testdata/basic-error-3.ast
+++ b/parser/src/parser/tests/testdata/basic-error-3.ast
@@ -1,2 +1,2 @@
 ERRORS:
-- SyntaxError { message: "expecting operator or `}`, found end of file", span: Span(26..26) }
+- SyntaxError { message: "expecting operator or `}`, found end of file", span: Span(27..27) }
diff --git a/parser/src/parser/tests/testdata/basic-error-3.cst b/parser/src/parser/tests/testdata/basic-error-3.cst
index afbc4ee0f..1a35139e7 100644
--- a/parser/src/parser/tests/testdata/basic-error-3.cst
+++ b/parser/src/parser/tests/testdata/basic-error-3.cst
@@ -15,4 +15,4 @@ SOURCE_FILE@0..27
           TRUE_KW@23..27 "true"
 
 ERRORS:
-- [26..26]: expecting operator or `}`, found end of file
+- [27..27]: expecting operator or `}`, found end of file
diff --git a/parser/src/parser/tests/testdata/basic-error-3.cststream b/parser/src/parser/tests/testdata/basic-error-3.cststream
index 3dc5cc769..b871c38fe 100644
--- a/parser/src/parser/tests/testdata/basic-error-3.cststream
+++ b/parser/src/parser/tests/testdata/basic-error-3.cststream
@@ -17,5 +17,5 @@ End { kind: BOOLEAN_TERM, span: Span(23..27) }
 End { kind: BOOLEAN_EXPR, span: Span(23..27) }
 End { kind: CONDITION_BLK, span: Span(12..27) }
 End { kind: ERROR, span: Span(0..27) }
-Error { message: "expecting operator or `}`, found end of file", span: Span(26..26) }
+Error { message: "expecting operator or `}`, found end of file", span: Span(27..27) }
 End { kind: SOURCE_FILE, span: Span(0..27) }