diff --git a/utils/format_source_files/format_source_files.sh b/utils/format_source_files/format_source_files.sh
index 90dc8fef7..c4dd8d25a 100755
--- a/utils/format_source_files/format_source_files.sh
+++ b/utils/format_source_files/format_source_files.sh
@@ -3,12 +3,11 @@
 # batch format *.{hpp,cpp} files
 
 MAPNIK_DIR=`pwd`
-DIRS="$MAPNIK_DIR/plugins $MAPNIK_DIR/demo/c++ $MAPNIK_DIR/src $MAPNIK_DIR/include $MAPNIK_DIR/bindings $MAPNIK_DIR/utils $MAPNIK_DIR/tests"
+DIRS="$MAPNIK_DIR/plugins $MAPNIK_DIR/demo/c++ $MAPNIK_DIR/src $MAPNIK_DIR/include $MAPNIK_DIR/bindings $MAPNIK_DIR/utils $MAPNIK_DIR/tests $MAPNIK_DIR/deps/agg"
+
 EMACS="emacs"
 
 for file in $(find $DIRS -name '*.cpp' -o -name '*.hpp')
 do
     $EMACS -batch $file -l $MAPNIK_DIR/utils/format_source_files/mapnik_format.el -f mapnik-format-function
 done
-
-