2 files changed, 2 insertions, 4 deletions

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 1c7e7e7b..99fa591a 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -4,8 +4,7 @@ SUBDIRS = . tests
 
 noinst_LIBRARIES = libnagiosplug.a
 
-# Not sure how to set this in config.h
-DEFS = -DNP_STATE_DIR_PREFIX='"$(localstatedir)"'
+AM_CPPFLAGS = -DNP_STATE_DIR_PREFIX=\"$(localstatedir)\"
 
 libnagiosplug_a_SOURCES = utils_base.c utils_disk.c utils_tcp.c utils_cmd.c
 EXTRA_DIST = utils_base.h utils_disk.h utils_tcp.h utils_cmd.h parse_ini.h extra_opts.h
diff --git a/lib/tests/Makefile.am b/lib/tests/Makefile.am
index 3112020c..06a4b423 100644
--- a/lib/tests/Makefile.am
+++ b/lib/tests/Makefile.am
@@ -5,8 +5,7 @@ noinst_PROGRAMS = @EXTRA_TEST@
 TESTS = @EXTRA_TEST@
 check_PROGRAMS = @EXTRA_TEST@
 
-# See lib/Makefile.am
-DEFS = -DNP_STATE_DIR_PREFIX='"$(localstatedir)"'
+AM_CPPFLAGS = -DNP_STATE_DIR_PREFIX=\"$(localstatedir)\"
 
 INCLUDES = -I$(top_srcdir)/lib -I$(top_srcdir)/gl -I$(top_srcdir)/intl -I$(top_srcdir)/plugins