diff --git a/configure.in b/configure.in
index b9bfb2cab..fba55cb66 100644
--- a/configure.in
+++ b/configure.in
@@ -370,7 +370,7 @@ AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [def
                 CFLAGS="$CFLAGS -DALSA_SUPPORT $ALSA_CFLAGS"
                 SYSTEM_LIBS="$SYSTEM_LIBS $ALSA_LIBS"
             fi
-            SDL_SRCS="$SDL_SRCS `(cd $srcdir && ls audio/alsa/*.c)`"
+            SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
         fi
 }