diff --git a/yg/area_renderer.cpp b/yg/area_renderer.cpp
index 4e873d5ec4..0c3a8b87cf 100644
--- a/yg/area_renderer.cpp
+++ b/yg/area_renderer.cpp
@@ -45,7 +45,7 @@ namespace yg
 
       if (style == 0)
       {
-        LOG(LINFO, ("styleID=", styleID, " wasn't found on current skin."));
+        LOG(LINFO, ("drawArea: styleID=", styleID, " wasn't found on current skin."));
         return;
       }
 
diff --git a/yg/path_renderer.cpp b/yg/path_renderer.cpp
index e449bfbfa0..395ea7dfe5 100644
--- a/yg/path_renderer.cpp
+++ b/yg/path_renderer.cpp
@@ -38,7 +38,7 @@ namespace yg
 
       if (style == 0)
       {
-        LOG(LINFO, ("styleID=", styleID, " wasn't found on current skin"));
+        LOG(LINFO, ("drawPath: styleID=", styleID, " wasn't found on current skin"));
         return;
       }
 
diff --git a/yg/symbol_renderer.cpp b/yg/symbol_renderer.cpp
index e6b123fac5..a0ad11f3dd 100644
--- a/yg/symbol_renderer.cpp
+++ b/yg/symbol_renderer.cpp
@@ -60,7 +60,7 @@ namespace yg
       ResourceStyle const * style(skin()->fromID(styleID));
       if (style == 0)
       {
-        LOG(LINFO, ("styleID=", styleID, " wasn't found on the current skin"));
+        LOG(LINFO, ("drawSymbolImpl: styleID=", styleID, " wasn't found on the current skin"));
         return;
       }
 
@@ -86,7 +86,7 @@ namespace yg
       ResourceStyle const * style(skin()->fromID(styleID));
       if (style == 0)
       {
-        LOG(LINFO, ("styleID=", styleID, " wasn't found on the current skin"));
+        LOG(LINFO, ("drawSymbol: styleID=", styleID, " wasn't found on the current skin"));
         return;
       }