diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 8d4b02610..1deb7fec8 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.60 -
 ===================================
+  Change dm_regex_create() API to accept const char * const *patterns.
   Add new dm_prepare_selinux_context fn to libdevmapper and use it throughout.
   Detect existence of new SELinux selabel interface during configure.
 
diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c
index e4d0a76bb..962aa1e00 100644
--- a/lib/device/dev-cache.c
+++ b/lib/device/dev-cache.c
@@ -543,7 +543,7 @@ static int _init_preferred_names(struct cmd_context *cmd)
 	const struct config_node *cn;
 	const struct config_value *v;
 	struct dm_pool *scratch = NULL;
-	char **regex;
+	const char **regex;
 	unsigned count = 0;
 	int i, r = 0;
 
@@ -583,7 +583,7 @@ static int _init_preferred_names(struct cmd_context *cmd)
 	}
 
 	if (!(_cache.preferred_names_matcher =
-		dm_regex_create(_cache.mem,(const char **) regex, count))) {
+		dm_regex_create(_cache.mem, regex, count))) {
 		log_error("Preferred device name pattern matcher creation failed.");
 		goto out;
 	}
diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h
index 3083f9a19..d3850303b 100644
--- a/libdm/libdevmapper.h
+++ b/libdm/libdevmapper.h
@@ -1020,7 +1020,7 @@ struct dm_regex;
  * Initialise an array of num patterns for matching.
  * Uses memory from mem.
  */
-struct dm_regex *dm_regex_create(struct dm_pool *mem, const char **patterns,
+struct dm_regex *dm_regex_create(struct dm_pool *mem, const char * const *patterns,
 				 unsigned num_patterns);
 
 /*
diff --git a/libdm/regex/matcher.c b/libdm/regex/matcher.c
index eb20bd093..959086586 100644
--- a/libdm/regex/matcher.c
+++ b/libdm/regex/matcher.c
@@ -310,7 +310,7 @@ static void _force_states(struct dm_regex *m)
         }
 }
 
-struct dm_regex *dm_regex_create(struct dm_pool *mem, const char **patterns,
+struct dm_regex *dm_regex_create(struct dm_pool *mem, const char * const *patterns,
 				 unsigned num_patterns)
 {
 	char *all, *ptr;