diff --git a/scim-wnn/src/scim_wnn_imengine.cpp b/scim-wnn/src/scim_wnn_imengine.cpp
index c39b4ad..52d1175 100644
--- a/scim-wnn/src/scim_wnn_imengine.cpp
+++ b/scim-wnn/src/scim_wnn_imengine.cpp
@@ -184,7 +184,7 @@
     init();
 }
 
-WnnInstance::~ WnnInstance()
+WnnInstance::~WnnInstance()
 {
     for(unsigned int i = 0;i < preeditors.size();i ++) {
         delete(preeditors.at(i));