diff --git a/configure.ac b/configure.ac
index 3c2bc2201..b9d1f40d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -398,7 +398,7 @@ CPPFLAGS="$CPPFLAGS $GUILE_CPPFLAGS"
 
 AC_MSG_CHECKING([for libctl dir])
 if test x != x"$LIBCTL_DIR" -a -r "$LIBCTL_DIR/share/libctl/base/ctl.scm"; then
-	LIBCTL_DIR="$LIBCTL_DIR/share/libctl"
+	LIBCTL_DIR="$LIBCTL_DIR/share/libctl"
 fi
 if test x != x"$LIBCTL_DIR" -a ! -r "$LIBCTL_DIR/base/ctl.scm"; then
 	LIBCTL_DIR=""