diff --git a/configure.in b/configure.in
index 004351e6c..cda497c99 100644
--- a/configure.in
+++ b/configure.in
@@ -258,6 +258,7 @@ fi
 
 # often not present for embedded
 echo "#define HAVE_TIME" >> config.h
+echo "#define HAVE_MALLOC" >> config.h
 echo "#define HAVE_BZERO" >> config.h
 echo "#define ENABLE_LOG_INFO " >> config.h
 echo "#define ENABLE_LOG_ERROR" >> config.h