diff --git a/.gitattributes b/.gitattributes
index 319491e3de..3224004632 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -18990,6 +18990,7 @@ utils/wasmbin/testscan/inst_const_i32.wat svneol=native#text/plain
 utils/wasmbin/testscan/inst_const_i32_neg.wat svneol=native#text/plain
 utils/wasmbin/testscan/inst_const_i64.wat svneol=native#text/plain
 utils/wasmbin/testscan/inst_const_i64_neg.wat svneol=native#text/plain
+utils/wasmbin/testscan/inst_const_i64_pos.wat svneol=native#text/plain
 utils/wasmbin/wasmbin.pas svneol=native#text/plain
 utils/wasmbin/wasmbincode.pas svneol=native#text/plain
 utils/wasmbin/wasmbindebug.pas svneol=native#text/plain
diff --git a/utils/wasmbin/testscan/inst_const_i64.wat b/utils/wasmbin/testscan/inst_const_i64.wat
index 9cc098d6e6..79f29df881 100644
--- a/utils/wasmbin/testscan/inst_const_i64.wat
+++ b/utils/wasmbin/testscan/inst_const_i64.wat
@@ -1,5 +1,5 @@
 (module
   (func $add (result i64)
-    i64.const 13
+    i64.const 18446744073709551615
   )
 )
diff --git a/utils/wasmbin/testscan/inst_const_i64_pos.wat b/utils/wasmbin/testscan/inst_const_i64_pos.wat
new file mode 100644
index 0000000000..e2395539f2
--- /dev/null
+++ b/utils/wasmbin/testscan/inst_const_i64_pos.wat
@@ -0,0 +1,5 @@
+(module
+  (func $add (result i64)
+    i64.const 9223372036854775807
+  )
+)