diff --git a/configure.ac b/configure.ac
index cd55663172de62d1b4cd77643cdeba6bff7db965..1d6ef2e8c3575064a86f39baa964f17a2be7c4bd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -177,6 +177,12 @@ AC_ARG_WITH([storage],
         [storage_dir=$withval])
 AC_SUBST(storage_dir)
 
+config_dir="${sysconfdir}/knot"
+AC_ARG_WITH([configdir],
+        AC_HELP_STRING([--with-configdir=path], [Default directory for configuration. [default=$(sysconfdir)/knot]]),
+        [config_dir=$withval])
+AC_SUBST(config_dir)
+
 # Checks for libraries.
 # FIXME: Replace `main' with a function in `-lm':
 
diff --git a/samples/Makefile.am b/samples/Makefile.am
index 755ef078f299d8559eb94eae29aa5891e8df6e6a..f3ab8a55abb86b69737b0946c01195d615914396 100644
--- a/samples/Makefile.am
+++ b/samples/Makefile.am
@@ -3,7 +3,8 @@ edit = sed \
 	-e 's|@package[@]|$(PACKAGE_NAME)|g' \
 	-e 's|@localstatedir[@]|$(localstatedir)|g' \
 	-e 's|@prefix[@]|$(prefix)|g' \
-	-e 's|@sysconfdir[@]|$(sysconfdir)|g'
+	-e 's|@sysconfdir[@]|$(sysconfdir)|g' \
+	-e 's|@config_dir[@]|$(config_dir)|g'
 
 knot.sample.conf: knot.sample.conf.in
 	rm -f $@ $@.tmp
@@ -15,16 +16,16 @@ knot.sample.conf: knot.sample.conf.in
 EXTRA_DIST = knot.sample.conf.in knot.full.conf knot.keys.conf example.com.zone
 
 install-data-local: knot.sample.conf
-	[ -d $(DESTDIR)/$(sysconfdir) ] || \
-	  $(INSTALL) -d $(DESTDIR)/$(sysconfdir)
-	[ -f $(DESTDIR)/$(sysconfdir)/knot.sample.conf ] || \
-	  $(INSTALL_DATA) knot.sample.conf $(srcdir)/example.com.zone $(DESTDIR)/$(sysconfdir)
+	[ -d $(DESTDIR)/$(config_dir) ] || \
+	  $(INSTALL) -d $(DESTDIR)/$(config_dir)
+	[ -f $(DESTDIR)/$(config_dir)/knot.sample.conf ] || \
+	  $(INSTALL_DATA) knot.sample.conf $(srcdir)/example.com.zone $(DESTDIR)/$(config_dir)
 
 uninstall-local:
-	[ -f $(DESTDIR)/$(sysconfdir)/knot.sample.conf ] && \
-	  rm -f $(DESTDIR)/$(sysconfdir)/knot.sample.conf
-	[ -f $(DESTDIR)/$(sysconfdir)/example.com.zone ] && \
-	  rm -f $(DESTDIR)/$(sysconfdir)/example.com.zone
+	[ -f $(DESTDIR)/$(config_dir)/knot.sample.conf ] && \
+	  rm -f $(DESTDIR)/$(config_dir)/knot.sample.conf
+	[ -f $(DESTDIR)/$(config_dir)/example.com.zone ] && \
+	  rm -f $(DESTDIR)/$(config_dir)/example.com.zone
 
 clean-local:
 	rm -f knot.sample.conf
diff --git a/samples/knot.sample.conf.in b/samples/knot.sample.conf.in
index 6530d1f57238913b43138a8d9b7e75e01ed678d5..806e7c9d3e701be3682a7e7630b9b6bcf9367a43 100644
--- a/samples/knot.sample.conf.in
+++ b/samples/knot.sample.conf.in
@@ -61,7 +61,7 @@ control {
 zones {
 #  Example master zone
 #  example.com {
-#    file "@sysconfdir@/example.com.zone";
+#    file "@config_dir@/example.com.zone";
 #    xfr-out slave0;
 #    notify-out slave0;
 #  }
diff --git a/src/Makefile.am b/src/Makefile.am
index a542399e1bd534f25a47119eae96f363f7d9ab8d..191e6cccc5ddd8a55f607f01d89205f2fb7cd803 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -8,8 +8,8 @@ noinst_LTLIBRARIES = libknot.la libknotd.la libknots.la libzscanner.la
 
 # $(YACC) will generate header file
 AM_CPPFLAGS = -I$(top_srcdir)/src/libknot -DSYSCONFDIR='"$(sysconfdir)"' \
-	-DSBINDIR='"$(sbindir)"' -DSTORAGE_DIR='"${storage_dir}"' \
-	-DRUN_DIR='"${run_dir}"'
+	-DSBINDIR='"$(sbindir)"' -DCONFIG_DIR='"${config_dir}"' \
+	-DSTORAGE_DIR='"${storage_dir}"' -DRUN_DIR='"${run_dir}"'
 AM_YFLAGS = -d
 libknotd_la_YFLAGS = -pcf_ -d
 libknotd_la_LFLAGS = # TODO: reentrant parser, prefix
@@ -316,5 +316,6 @@ zscanner_tool_LDADD = libknots.la libknot.la libknotd.la libzscanner.la @LIBOBJS
 
 # Create storage and run-time directories
 install-data-hook:
+	$(INSTALL) -d $(DESTDIR)/@config_dir@
 	$(INSTALL) -d $(DESTDIR)/@run_dir@
 	$(INSTALL) -d $(DESTDIR)/@storage_dir@