diff --git a/core/c/frontend/tokenizer/tokenizer.odin b/core/c/frontend/tokenizer/tokenizer.odin
index 2415e06a0..558077717 100644
--- a/core/c/frontend/tokenizer/tokenizer.odin
+++ b/core/c/frontend/tokenizer/tokenizer.odin
@@ -291,7 +291,7 @@ scan_escape :: proc(t: ^Tokenizer) -> bool {
 		n -= 1
 	}
 
-	if x > max || 0xd800 <= x && x <= 0xe000 {
+	if x > max || 0xd800 <= x && x <= 0xdfff {
 		error_offset(t, offset, "escape sequence is an invalid Unicode code point")
 		return false
 	}
diff --git a/core/odin/tokenizer/tokenizer.odin b/core/odin/tokenizer/tokenizer.odin
index c3a30581c..d4da82c56 100644
--- a/core/odin/tokenizer/tokenizer.odin
+++ b/core/odin/tokenizer/tokenizer.odin
@@ -331,7 +331,7 @@ scan_escape :: proc(t: ^Tokenizer) -> bool {
 		n -= 1
 	}
 
-	if x > max || 0xd800 <= x && x <= 0xe000 {
+	if x > max || 0xd800 <= x && x <= 0xdfff {
 		error(t, offset, "escape sequence is an invalid Unicode code point")
 		return false
 	}