diff --git a/include/asterisk/uri.h b/include/asterisk/uri.h
index 225d8c8d7f..f5f70a50bb 100644
--- a/include/asterisk/uri.h
+++ b/include/asterisk/uri.h
@@ -115,7 +115,7 @@ const char *ast_uri_query(const struct ast_uri *uri);
  * \return True if secure, False otherwise.
  * \since 13
  */
-const int ast_uri_is_secure(const struct ast_uri *uri);
+int attribute_pure ast_uri_is_secure(const struct ast_uri *uri);
 
 /*!
  * \brief Parse the given uri into a structure.
diff --git a/main/uri.c b/main/uri.c
index be1136fe67..07493699bb 100644
--- a/main/uri.c
+++ b/main/uri.c
@@ -142,7 +142,7 @@ const char *ast_uri_query(const struct ast_uri *uri)
 	return uri->query;
 }
 
-const int ast_uri_is_secure(const struct ast_uri *uri)
+int ast_uri_is_secure(const struct ast_uri *uri)
 {
 	return ast_strlen_zero(uri->scheme) ? 0 :
 		*(uri->scheme + strlen(uri->scheme) - 1) == 's';