diff --git a/tests/lhs-test.latex b/tests/lhs-test.latex
index eee02c6ad..626a74cfa 100644
--- a/tests/lhs-test.latex
+++ b/tests/lhs-test.latex
@@ -30,6 +30,7 @@
 \else
   \usepackage[unicode=true]{hyperref}
 \fi
+\usepackage[usenames,dvipsnames]{color}
 \hypersetup{breaklinks=true,
             bookmarks=true,
             pdfauthor={},
diff --git a/tests/lhs-test.latex+lhs b/tests/lhs-test.latex+lhs
index d5e307d9f..029789ba8 100644
--- a/tests/lhs-test.latex+lhs
+++ b/tests/lhs-test.latex+lhs
@@ -30,6 +30,7 @@
 \else
   \usepackage[unicode=true]{hyperref}
 \fi
+\usepackage[usenames,dvipsnames]{color}
 \hypersetup{breaklinks=true,
             bookmarks=true,
             pdfauthor={},
diff --git a/tests/writer.latex b/tests/writer.latex
index 566b2beca..8b34777fa 100644
--- a/tests/writer.latex
+++ b/tests/writer.latex
@@ -30,6 +30,7 @@
 \else
   \usepackage[unicode=true]{hyperref}
 \fi
+\usepackage[usenames,dvipsnames]{color}
 \hypersetup{breaklinks=true,
             bookmarks=true,
             pdfauthor={John MacFarlane; Anonymous},