diff --git a/paper_template/text.Rnw b/paper_template/text.Rnw
index faf5f9c..ae64451 100644
--- a/paper_template/text.Rnw
+++ b/paper_template/text.Rnw
@@ -12,8 +12,11 @@
 
 <<init, echo=FALSE>>=
 knit_hooks$set(document = function(x) {
-  sub('\\usepackage[]{color}',
-'\\usepackage[usenames,dvipsnames]{color}', x, fixed = TRUE)
+  x <- sub('\\usepackage[]{color}',
+           '\\usepackage[usenames,dvipsnames]{color}', x, fixed = TRUE)
+  x <- sub('\\usepackage[]{xcolor}',
+           '\\usepackage[usenames,dvipsnames]{xcolor}', x, fixed = TRUE)
+  x
 })
 opts_chunk$set(fig.path="figures/knitr-")