diff --git a/Makefile.am b/Makefile.am
index 22cd470..ab99056 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -116,14 +116,14 @@ edit = sed -e 's|[@]PERL[@]|$(PERL)|g'       \
 pmdir_in_INC = \
 	PERL5LIB= $(PERL) -V | \
 	    awk '/@INC/ {p=1; next} p==1 {print $$1}' | \
-	    grep -F -q "$(pmdir)"
+	    grep -F -x -q "$(pmdir)"
 
 calc_use_lib_pmdir = \
 	pmdir="$(pmdir)"; \
-	if $(pmdir_in_INC); then \
+	if [ $(FINDBIN) = yes ]; then \
+	    use_lib_pmdir="use FindBin; use lib \"\$$FindBin::Bin/../$${pmdir\#$(prefix)/}\";"; \
+	elif $(pmdir_in_INC); then \
 	    use_lib_pmdir=""; \
-	elif [ "$${pmdir\#../}" != "$$pmdir" ]; then \
-	    use_lib_pmdir="use FindBin; use lib \"\$$FindBin::Bin/$$pmdir\";"; \
 	else \
 	    use_lib_pmdir="use lib \"$(pmdir)\";"; \
 	fi
diff --git a/configure.ac b/configure.ac
index bcd66eb..0869e17 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,6 +70,15 @@ AC_ARG_WITH(
       [Install Perl modules in DIR]),
     [PMDIR=${withval}],
     [PMDIR='${prefix}'/"$pmdir_relative_path"])
+
+AC_ARG_ENABLE(
+    [relative],
+    AS_HELP_STRING(
+       [--enable-relative],
+       [Load Stow modules relative to the main script]),
+    [FINDBIN="$enable_relative"],
+    [FINDBIN=no])
+
 AC_CONFIG_COMMANDS_POST([[
   eval pmdir="$PMDIR"
   cat <<EOF
@@ -108,6 +117,7 @@ EOF
   fi
 ]])
 AC_SUBST([PMDIR])
+AC_SUBST([FINDBIN])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT