diff --git a/src/ucm/main.c b/src/ucm/main.c
index 26b0ea20..817f28f8 100644
--- a/src/ucm/main.c
+++ b/src/ucm/main.c
@@ -2379,7 +2379,8 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
 			  const char *identifier,
 			  const char **list[])
 {
-	char *str, *str1;
+	char *str;
+	const char *str1;
 	int err, i;
 
 	if (uc_mgr == NULL || identifier == NULL) {
@@ -2712,7 +2713,8 @@ int snd_use_case_geti(snd_use_case_mgr_t *uc_mgr,
 		      const char *identifier,
 		      long *value)
 {
-	char *str, *str1;
+	char *str;
+	const char *str1;
 	int err;
 
 	pthread_mutex_lock(&uc_mgr->mutex);
@@ -3014,7 +3016,8 @@ int snd_use_case_set(snd_use_case_mgr_t *uc_mgr,
 		     const char *identifier,
 		     const char *value)
 {
-	char *str, *str1;
+	char *str;
+	const char *str1;
 	int err = 0;
 
 	snd_trace(UCM, "{API call} set '%s'='%s'", identifier, value);
diff --git a/src/ucm/ucm_subs.c b/src/ucm/ucm_subs.c
index 73230a2a..98090fa0 100644
--- a/src/ucm/ucm_subs.c
+++ b/src/ucm/ucm_subs.c
@@ -826,7 +826,7 @@ static int rval_evali(snd_use_case_mgr_t *uc_mgr, snd_config_t *node, const char
  */
 static inline const char *strchr_with_escape(const char *str, char c)
 {
-	char *s;
+	const char *s;
 
 	while (1) {
 		s = strchr(str, c);