diff --git a/configure.ac b/configure.ac
index b29e0411..71263e4c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,7 @@ AC_PROG_CC
 AC_PROG_LN_S
 AC_PROG_YACC
 LT_INIT
+LT_LIB_DLLOAD
 
 dnl Checks for libraries.
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index b5de79c5..5b1121c4 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -20,6 +20,7 @@ endif
 
 libshadow_la_CPPFLAGS += -I$(top_srcdir)
 libshadow_la_CFLAGS = $(LIBBSD_CFLAGS) $(LIBCRYPT_PAM) $(LIBSYSTEMD)
+libshadow_la_LIBADD = $(LIBADD_DLOPEN)
 
 libshadow_la_SOURCES = \
 	addgrps.c \
diff --git a/share/containers/debian.dockerfile b/share/containers/debian.dockerfile
index 5934f287..09492939 100644
--- a/share/containers/debian.dockerfile
+++ b/share/containers/debian.dockerfile
@@ -9,7 +9,7 @@ RUN export DEBIAN_PRIORITY=critical \
 RUN apt-get update -y \
     && apt-get dist-upgrade -y
 RUN apt-get build-dep shadow -y
-RUN apt-get install libbsd-dev libcmocka-dev pkgconf -y
+RUN apt-get install libltdl-dev libbsd-dev libcmocka-dev pkgconf -y
 
 COPY ./ /usr/local/src/shadow/
 WORKDIR /usr/local/src/shadow/