diff --git a/test/adolctest.cc b/test/adolctest.cc
index 03e50a6f28a6d24dcc8d76db174f0ac4517f3ea3..9a59a3e3beb7623f64ed051f1b89ebc9fc6d00ef 100644
--- a/test/adolctest.cc
+++ b/test/adolctest.cc
@@ -4,10 +4,12 @@
 
 #include <fenv.h>
 
-#include <boost/multiprecision/mpfr.hpp>
-
 //#define MULTIPRECISION
 
+#ifdef MULTIPRECISION
+#include <boost/multiprecision/mpfr.hpp>
+#endif
+
 #ifdef MULTIPRECISION
 typedef boost::multiprecision::mpfr_float_50 FDType;
 #else