diff --git a/src/auth.c b/src/auth.c
index eda1a34ffbcbf0c5e0c6ff46c59be94a14b2b6e1..9880468254c745799f69ce1ce45227fa430e9950 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -985,7 +985,7 @@ int auth_alter_client(auth_t *auth, auth_client *auth_user, auth_alter_t action,
     if (auth->permission_alter[action] != AUTH_MATCHTYPE_MATCH)
         return -1;
 
-    if (replace_string(&(auth_user->alter_client_arg), arg) != 0)
+    if (util_replace_string(&(auth_user->alter_client_arg), arg) != 0)
         return -1;
 
     auth_user->alter_client_action = action;
diff --git a/src/auth_static.c b/src/auth_static.c
index 3b60422ab504418f3828dff96856176866f8c3f2..a27d4d8dcf75ea4be7d2c270d183c0c89d50ad80 100644
--- a/src/auth_static.c
+++ b/src/auth_static.c
@@ -126,7 +126,7 @@ int  auth_get_static_auth (auth_t *authenticator, config_options_t *options)
                 return -1;
             }
         } else if (strcmp(options->name, "argument") == 0) {
-            replace_string(&(auth_info->arg), options->value);
+            util_replace_string(&(auth_info->arg), options->value);
         } else {
             ICECAST_LOG_ERROR("Unknown option: %s", options->name);
         }
diff --git a/src/auth_url.c b/src/auth_url.c
index c4b33fb186a532adb1956bc9d48ae35481afe7e2..b83c8db6cd9f319b09632cbd0ed1b307cd06d862 100644
--- a/src/auth_url.c
+++ b/src/auth_url.c
@@ -632,40 +632,40 @@ int auth_get_url_auth(auth_t *authenticator, config_options_t *options)
 
     while(options) {
         if(strcmp(options->name, "username") == 0) {
-            replace_string(&(url_info->username), options->value);
+            util_replace_string(&(url_info->username), options->value);
         } else if(strcmp(options->name, "password") == 0) {
-            replace_string(&(url_info->password), options->value);
+            util_replace_string(&(url_info->password), options->value);
         } else if(strcmp(options->name, "headers") == 0) {
-            replace_string(&(url_info->pass_headers), options->value);
+            util_replace_string(&(url_info->pass_headers), options->value);
         } else if(strcmp(options->name, "header_prefix") == 0) {
-            replace_string(&(url_info->prefix_headers), options->value);
+            util_replace_string(&(url_info->prefix_headers), options->value);
         } else if(strcmp(options->name, "client_add") == 0) {
-            replace_string(&(url_info->addurl), options->value);
+            util_replace_string(&(url_info->addurl), options->value);
         } else if(strcmp(options->name, "client_remove") == 0) {
             authenticator->release_client = url_remove_client;
-            replace_string(&(url_info->removeurl), options->value);
+            util_replace_string(&(url_info->removeurl), options->value);
         } else if(strcmp(options->name, "action_add") == 0) {
             addaction = options->value;
         } else if(strcmp(options->name, "action_remove") == 0) {
             removeaction = options->value;
         } else if(strcmp(options->name, "auth_header") == 0) {
-            replace_string(&(url_info->auth_header), options->value);
+            util_replace_string(&(url_info->auth_header), options->value);
         } else if (strcmp(options->name, "timelimit_header") == 0) {
-            replace_string(&(url_info->timelimit_header), options->value);
+            util_replace_string(&(url_info->timelimit_header), options->value);
         } else if (strcmp(options->name, "header_auth") == 0) {
-            replace_string(&(url_info->header_auth), options->value);
+            util_replace_string(&(url_info->header_auth), options->value);
             util_strtolower(url_info->header_message);
         } else if (strcmp(options->name, "header_timelimit") == 0) {
-            replace_string(&(url_info->header_timelimit), options->value);
+            util_replace_string(&(url_info->header_timelimit), options->value);
             util_strtolower(url_info->header_message);
         } else if (strcmp(options->name, "header_message") == 0) {
-            replace_string(&(url_info->header_message), options->value);
+            util_replace_string(&(url_info->header_message), options->value);
             util_strtolower(url_info->header_message);
         } else if (strcmp(options->name, "header_alter_action") == 0) {
-            replace_string(&(url_info->header_alter_action), options->value);
+            util_replace_string(&(url_info->header_alter_action), options->value);
             util_strtolower(url_info->header_alter_action);
         } else if (strcmp(options->name, "header_alter_argument") == 0) {
-            replace_string(&(url_info->header_alter_argument), options->value);
+            util_replace_string(&(url_info->header_alter_argument), options->value);
             util_strtolower(url_info->header_alter_argument);
         } else {
             ICECAST_LOG_ERROR("Unknown option: %s", options->name);
diff --git a/src/util.c b/src/util.c
index fa50dd52bbd8a20cc1b38755c77922342f892fbf..8536831992b302c20e0fe74cecf5a6f2248ee988 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1490,7 +1490,7 @@ int get_line(FILE *file, char *buf, size_t siz)
     return 0;
 }
 
-int replace_string(char **dst, const char *src)
+int util_replace_string(char **dst, const char *src)
 {
     char *n;
 
diff --git a/src/util.h b/src/util.h
index 973c27ca1a370b4cc7c6c26f9db02d22df4a5810..65ea074fa15f4052cfcf314ba28c8292d5504122 100644
--- a/src/util.h
+++ b/src/util.h
@@ -129,6 +129,6 @@ char *util_conv_string (const char *string, const char *in_charset, const char *
 
 int get_line(FILE *file, char *buf, size_t siz);
 
-int replace_string(char **dst, const char *src);
+int util_replace_string(char **dst, const char *src);
 int util_strtolower(char *str);
 #endif  /* __UTIL_H__ */