diff --git a/magick.sh.in b/magick.sh.in
index fdb0231..e4a5b56 100755
--- a/magick.sh.in
+++ b/magick.sh.in
@@ -35,7 +35,7 @@
   echo "$@"
 fi
 env \
-  LD_LIBRARY_PATH="${top_builddir}/MagickCore/.libs:${top_builddir}/MagickWand/.libs:+:${LD_LIBRARY_PATH}" \
+  LD_LIBRARY_PATH="${top_builddir}/MagickCore/.libs:${top_builddir}/MagickWand/.libs${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"" \
   MAGICK_CODER_MODULE_PATH="${MAGICK_CODER_MODULE_PATH}" \
   MAGICK_CONFIGURE_PATH="${MAGICK_CONFIGURE_BUILD_PATH}${DIRSEP}${MAGICK_CONFIGURE_SRC_PATH}" \
   MAGICK_FILTER_MODULE_PATH="${MAGICK_FILTER_MODULE_PATH}" \