diff --git a/infer/src/IR/Typ.ml b/infer/src/IR/Typ.ml
index dd51aa728..fa888d197 100644
--- a/infer/src/IR/Typ.ml
+++ b/infer/src/IR/Typ.ml
@@ -1074,7 +1074,7 @@ module Procname = struct
     | Java pname ->
         (* Strip autogenerated anonymous inner class numbers in order to keep the bug hash
            invariant when introducing new annonynous classes *)
-        Str.global_replace (Str.regexp "$[0-9]+") "$_"
+        Str.global_replace (Str.regexp "\\$[0-9]+") "$_"
           (Java.to_string ~withclass:true pname Simple)
     | ObjC_Cpp m when ObjC_Cpp.is_objc_method m ->
         (* In Objective C, the list of parameters is part of the method name. To prevent the bug