diff --git a/configure.ac b/configure.ac
index c693945c..2d87403d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -95,7 +95,6 @@ if test "x$enable_sound_pulse" = "xyes"; then
   PKG_CHECK_MODULES(AUDIOFILE, audiofile,,)
   enable_sound=pulseaudio
   enable_sound_esound=no
-  PA_LIBS="$PA_LIBS $AUDIOFILE_LIBS"
 fi
 AM_CONDITIONAL(USE_LIBPA, test "x$enable_sound_pulse" = "xyes")
 
@@ -190,7 +189,8 @@ if test "x$enable_glx" = "xyes"; then
       AC_MSG_ERROR([Cannot find GLX libraries])
     ])
   AC_CHECK_LIB(GL, glXBindTexImageEXT,
-      AC_DEFINE(HAVE_GLX_glXBindTexImageEXT, 1, [glXBindTexImageEXT is available]))
+      AC_DEFINE(HAVE_GLX_glXBindTexImageEXT, 1, [glXBindTexImageEXT is available]),
+      GLX_LIBS="$GLX_LIBS -ldl")
   AC_SUBST(GLX_LIBS)
 fi
 AM_CONDITIONAL(ENABLE_GLX, test "x$enable_glx" = "xyes")
diff --git a/src/Makefile.am b/src/Makefile.am
index 64324352..eafb1df1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -148,6 +148,7 @@ LDADD = \
 if BUILD_MODULES
 
 e16_LDFLAGS = -export-dynamic
+MODULE_LIBS = $(DLOPEN_LIBS)
 
 libe16dir = $(pkglibdir)