diff --git a/src/app/app.cpp b/src/app/app.cpp
index 857558496..b9a628b17 100644
--- a/src/app/app.cpp
+++ b/src/app/app.cpp
@@ -152,7 +152,7 @@ App::App(int argc, const char* argv[])
 
     base::UniquePtr<Palette> pal(Palette::load(palFile.c_str()));
     if (pal.get() == NULL)
-	  throw base::Exception("Error loading default palette from: %s", palFile.c_str());
+      throw base::Exception("Error loading default palette from: %s", palFile.c_str());
 
     set_default_palette(pal.get());
   }