diff --git a/lib/base/Makefile.am b/lib/base/Makefile.am
index 18300b3cf..606e00a97 100644
--- a/lib/base/Makefile.am
+++ b/lib/base/Makefile.am
@@ -16,6 +16,8 @@ AM_CPPFLAGS += $(ROKEN_RENAME) -I../com_err -I$(srcdir)/../com_err
 lib_LTLIBRARIES = libheimbase.la
 check_PROGRAMS = test_base
 
+test_base_CFLAGS = -Wno-string-concatenation
+
 libheimbase_la_LDFLAGS = -version-info 1:0:0
 
 if FRAMEWORK_COREFOUNDATION