diff --git a/runtime/queries/java/highlights.scm b/runtime/queries/java/highlights.scm
index 3f8ae0d50..e7d793df9 100644
--- a/runtime/queries/java/highlights.scm
+++ b/runtime/queries/java/highlights.scm
@@ -47,7 +47,7 @@
 ; Variables
 
 ((identifier) @constant
- (#match? @constant "^_*[A-Z][A-Z\d_]+"))
+ (#match? @constant "^_*[A-Z][A-Z\\d_]+$"))
 
 (identifier) @variable
 
diff --git a/runtime/queries/php/highlights.scm b/runtime/queries/php/highlights.scm
index 838504035..029045558 100644
--- a/runtime/queries/php/highlights.scm
+++ b/runtime/queries/php/highlights.scm
@@ -42,7 +42,7 @@
 (relative_scope) @variable.builtin
 
 ((name) @constant
- (#match? @constant "^_?[A-Z][A-Z\d_]+$"))
+ (#match? @constant "^_?[A-Z][A-Z\\d_]+$"))
 
 ((name) @constructor
  (#match? @constructor "^[A-Z]"))