1 files changed, 2 insertions, 2 deletions
diff --git a/src/ui/mapper/MapperRegistry.cpp b/src/ui/mapper/MapperRegistry.cpp
index a542bfca..d877f14a 100644
--- a/src/ui/mapper/MapperRegistry.cpp
+++ b/src/ui/mapper/MapperRegistry.cpp
@@ -74,7 +74,7 @@ MapperRegistry::~MapperRegistry() {
 void MapperRegistry::RegisterMapper(MapperBase *mapper) {
   if (std::find(mapper_list_.cbegin(), mapper_list_.cend(), mapper) !=
       mapper_list_.cend()) {
-    throw Exception(u"This mapper is already registered.");
+    throw Exception("This mapper is already registered.");
   }
 
   mapper_list_.push_back(mapper);
@@ -83,7 +83,7 @@ void MapperRegistry::RegisterMapper(MapperBase *mapper) {
 void MapperRegistry::UnregisterMapper(MapperBase *mapper) {
   auto it = std::find(mapper_list_.begin(), mapper_list_.end(), mapper);
   if (it == mapper_list_.end()) {
-    throw Exception(u"This mapper is not registered.");
+    throw Exception("This mapper is not registered.");
   }
 
   mapper_list_.erase(it);