diff --git a/configure.ac b/configure.ac
index 6110c26c7..c714f558d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1941,20 +1941,25 @@ dnl
 dnl
 
 RB_CHK_SYSHEADER(jemalloc/jemalloc.h, [JEMALLOC_H])
-AC_CHECK_LIB(jemalloc, malloc,
+PKG_CHECK_MODULES(JEMALLOC, [jemalloc],
 [
 	have_jemalloc="yes"
 ], [
-	have_jemalloc="no"
+	AC_CHECK_LIB(jemalloc, malloc,
+	[
+		have_jemalloc="yes"
+	], 	[
+		have_jemalloc="no"
+	])
 ])
 
-AC_MSG_CHECKING(whether to enable use of any found jemalloc)
+AC_MSG_CHECKING(whether to disable use of any found jemalloc)
 AC_ARG_ENABLE(jemalloc, AC_HELP_STRING([--disable-jemalloc], [Disable jemalloc as third-party dynamic memory manager.]),
 [
-	AC_MSG_RESULT([no])
+	AC_MSG_RESULT([yes])
 	enable_jemalloc="no"
 ], [
-	AC_MSG_RESULT([yes])
+	AC_MSG_RESULT([no])
 	enable_jemalloc="yes"
 ])
 
diff --git a/construct/Makefile.am b/construct/Makefile.am
index ba9361465..1158c9d60 100644
--- a/construct/Makefile.am
+++ b/construct/Makefile.am
@@ -38,6 +38,7 @@ construct_LDFLAGS = \
 	@BOOST_LDFLAGS@ \
 	@SSL_LDFLAGS@ \
 	@CRYPTO_LDFLAGS@ \
+	@MALLOC_LDFLAGS@ \
 	###
 
 construct_LDADD = \