diff --git a/ChangeLog b/ChangeLog
index 7596c9a5ce..0b826f2cb9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-06-17  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* configure.ac:
+	  Fix --disable-extern (can't set conditionals conditionally,
+	  #343602).
+
 2006-06-16  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* tests/check/elements/audioresample.c: (test_reuse),
diff --git a/configure.ac b/configure.ac
index 7019f60dbe..0ac0621c9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -489,6 +489,19 @@ vorbis_synthesis_restart (v);
   CFLAGS="$ac_cflags_save"
 fi
 
+else
+
+dnl not building plugins with external dependencies,
+dnl but we still need to set the conditionals
+AM_CONDITIONAL(USE_ALSA, false)
+AM_CONDITIONAL(USE_CDPARANOIA, false)
+AM_CONDITIONAL(USE_GNOME_VFS, false)
+AM_CONDITIONAL(USE_LIBVISUAL, false)
+AM_CONDITIONAL(USE_OGG, false)
+AM_CONDITIONAL(USE_PANGO, false)
+AM_CONDITIONAL(USE_THEORA, false)
+AM_CONDITIONAL(USE_VORBIS, false)
+
 fi dnl of EXT plugins
 
 dnl seeking needs freetype, so check for it here