diff --git a/ehannes.sh b/ehannes.sh
index 1bf0bf4abf85422abe49e46d040d6c43b395523a..6f0ae8667b60f5bbcb2acc769b132bafcff5d3d1 100755
--- a/ehannes.sh
+++ b/ehannes.sh
@@ -180,7 +180,7 @@ do
 			cd $SDIR/tpch_2_16_1/dbgen
 			sed -e 's/DATABASE\s*=/DATABASE=DB2/' -e 's/MACHINE\s*=/MACHINE=LINUX/' -e 's/WORKLOAD\s*=/WORKLOAD=TPCH/' -e 's/CC\s*=/CC=gcc/' makefile.suite > Makefile
 			make
-			mkdir $IDIR/dbgen/
+			mkdir -p $IDIR/dbgen/
 			cp dbgen dists.dss $IDIR/dbgen/
 			rm -rf $SDIR/tpch_*
 		fi