diff --git a/tools/modelsim/set_modelsim b/tools/modelsim/set_modelsim
index 57ac73beeb64b7e301dbcddde2a4cbf1e842278f..15737babbc1194945907e8e3f7a93edd17b758c2 100755
--- a/tools/modelsim/set_modelsim
+++ b/tools/modelsim/set_modelsim
@@ -39,6 +39,7 @@ if [ "${TOOLSET}" = "unb1" ]; then
 elif [ "${TOOLSET}" = "unb2" ]; then
   . ${RADIOHDL}/tools/quartus/quartus_version.sh 14.1
   . ${RADIOHDL}/tools/modelsim/modelsim_version.sh 10.4
+  # Next line may be needed, but comment it if it yields ld.so errors
   export LD_PRELOAD=/home/software/freetype2/usr/lib/libfreetype.so
 elif [ "${TOOLSET}" = "unb233" ]; then
   # unb233 = toolset unb2 on dop233