diff --git a/configure.ac b/configure.ac
index 572a4885c..0904ab17b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1071,10 +1071,11 @@ if test x$enable_sidplay != xno && test x$found_sidplayfp = xno; then
 fi
 
 if test x$enable_sidplay = xyes; then
-	SIDPLAY_LIBS="$SIDPLAY_LIBS -lresid-builder"
 	AC_DEFINE(ENABLE_SIDPLAY, 1, [Define for libsidplayfp or libsidplay2 support])
 	if test x$found_sidplayfp = xyes; then
 		AC_DEFINE(HAVE_SIDPLAYFP, 1, [Define if libsidplayfp is used instead of libsidplay2])
+	else
+		SIDPLAY_LIBS="$SIDPLAY_LIBS -lresid-builder"
 	fi
 fi
 
diff --git a/python/build/libs.py b/python/build/libs.py
index aa152c35e..f94d9eb71 100644
--- a/python/build/libs.py
+++ b/python/build/libs.py
@@ -112,8 +112,8 @@ liblame = AutotoolsProject(
 )
 
 ffmpeg = FfmpegProject(
-    'http://ffmpeg.org/releases/ffmpeg-4.0.1.tar.xz',
-    '605f5c01c60db35d3b617a79cabb2c7032412be243554602eeed1b628125c0ee',
+    'http://ffmpeg.org/releases/ffmpeg-4.0.2.tar.xz',
+    'a95c0cc9eb990e94031d2183f2e6e444cc61c99f6f182d1575c433d62afb2f97',
     'lib/libavcodec.a',
     [
         '--disable-shared', '--enable-static',