diff --git a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral1.ts b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral1.ts
index c227083464f..23206bbe1f5 100644
--- a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral1.ts
+++ b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral1.ts
@@ -1 +1,2 @@
+// @target: ES5
 0
\ No newline at end of file
diff --git a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral2.ts b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral2.ts
index a616ad491b1..60d12a43442 100644
--- a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral2.ts
+++ b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral2.ts
@@ -1 +1,2 @@
+// @target: ES5
 01
\ No newline at end of file
diff --git a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral3.ts b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral3.ts
index 4df9ec3e7f8..fda0822c2f3 100644
--- a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral3.ts
+++ b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral3.ts
@@ -1 +1,2 @@
+// @target: ES5
 01.0
\ No newline at end of file
diff --git a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral4.ts b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral4.ts
index 1405ebef530..092e6af6719 100644
--- a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral4.ts
+++ b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral4.ts
@@ -1 +1,2 @@
+// @target: ES5
 1e
\ No newline at end of file
diff --git a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral5.ts b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral5.ts
index 8757d5bc883..9a9804b4f0e 100644
--- a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral5.ts
+++ b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral5.ts
@@ -1 +1,2 @@
+// @target: ES5
 1e0
\ No newline at end of file
diff --git a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral6.ts b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral6.ts
index 2ef6dce1b05..7ff2871b001 100644
--- a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral6.ts
+++ b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral6.ts
@@ -1 +1,2 @@
+// @target: ES5
 1e+
\ No newline at end of file
diff --git a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral7.ts b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral7.ts
index e5f1cb60007..2e62350d48c 100644
--- a/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral7.ts
+++ b/tests/cases/conformance/scanner/ecmascript5/scannerNumericLiteral7.ts
@@ -1 +1,2 @@
+// @target: ES5
 1e+0
\ No newline at end of file