diff --git a/r.scripts/sc-TissueMapper_RUN.DS_D17.R b/r.scripts/sc-TissueMapper_RUN.DS_D17.R
index 4364d8ae436a3873f3fbfd037af47e9e8264f93a..b0bc89fc294ef57e44ba8fdcdec6bbc9a90b08ba 100644
--- a/r.scripts/sc-TissueMapper_RUN.DS_D17.R
+++ b/r.scripts/sc-TissueMapper_RUN.DS_D17.R
@@ -103,7 +103,7 @@ option_list=list(
   make_option("--lx",action="store",default=0.2,type='numeric',help="x low threshold for hvg selection"),
   make_option("--hx",action="store",default=5,type='numeric',help="x high threshold for hvg selection"),
   make_option("--ly",action="store",default=1,type='numeric',help="y low threshold for hvg selection"),
-  make_option("--cc",action="store",default=TRUE,type='logical',help="Scale cell cycle?"),
+  make_option("--cc",action="store",default=FALSE,type='logical',help="Scale cell cycle?"),
   make_option("--cca",action="store",default=50,type='integer',help="Number of CCAs to cacluate"),
   make_option("--acca",action="store",default=30,type='integer',help="Number of CCAs to align"),
   make_option("--pc",action="store",default=50,type='integer',help="Number of PCs to cacluate"),