diff --git a/src/shared/pcre2-util.h b/src/shared/pcre2-util.h
index 1e2ff96799..e9ce0b21d8 100644
--- a/src/shared/pcre2-util.h
+++ b/src/shared/pcre2-util.h
@@ -29,7 +29,7 @@ typedef struct {} pcre2_code;
 
 extern const struct hash_ops pcre2_code_hash_ops_free;
 
-typedef enum {
+typedef enum PatternCompileCase {
         PATTERN_COMPILE_CASE_AUTO,
         PATTERN_COMPILE_CASE_SENSITIVE,
         PATTERN_COMPILE_CASE_INSENSITIVE,