diff --git a/eo-parser/src/main/resources/org/eolang/parser/errors/negative-binding-indexes.xsl b/eo-parser/src/main/resources/org/eolang/parser/errors/signed-binding-indexes.xsl
similarity index 100%
rename from eo-parser/src/main/resources/org/eolang/parser/errors/negative-binding-indexes.xsl
rename to eo-parser/src/main/resources/org/eolang/parser/errors/signed-binding-indexes.xsl
diff --git a/eo-parser/src/test/resources/org/eolang/parser/packs/catches/catches-signed-binding-index.yaml b/eo-parser/src/test/resources/org/eolang/parser/packs/catches/catches-signed-binding-index.yaml
index a2d2ec6156..7f887841bb 100644
--- a/eo-parser/src/test/resources/org/eolang/parser/packs/catches/catches-signed-binding-index.yaml
+++ b/eo-parser/src/test/resources/org/eolang/parser/packs/catches/catches-signed-binding-index.yaml
@@ -1,5 +1,5 @@
 xsls:
-  - /org/eolang/parser/errors/negative-binding-indexes.xsl
+  - /org/eolang/parser/errors/signed-binding-indexes.xsl
 tests:
   - /program/errors[count(error[@severity='error'])=3]
 eo: |