diff --git a/install.sh b/install.sh
index 14c7cf36813eac8878d1f6c364b6b6b123d894e9..825f82233088b0b5fa49f8132a762e88f143fa8d 100755
--- a/install.sh
+++ b/install.sh
@@ -27,7 +27,11 @@ cd $CMSSW_BASE/src
 [ ! -d Core ] && git clone https://gitlab.cern.ch/cms-analysis/general/DasAnalysisSystem/Core.git
 
 # And JetToolbox
-[ ! -d JMEAnalysis/JetToolbox ] && git clone https://github.com/cms-jet/JetToolbox.git JMEAnalysis/JetToolbox -b jetToolbox_120X
+[ ! -d JMEAnalysis/JetToolbox ] && (
+    git clone https://github.com/cms-jet/JetToolbox.git JMEAnalysis/JetToolbox -b jetToolbox_120X
+    cd JMEAnalysis/JetToolbox
+    patch -p1 <$BASE_DIR/jetToolbox_120X.patch
+)
 
 # Set up scram tools in CMSSW -- must be done after fetching Core
 cd $CMSSW_BASE