diff --git a/configure.ac b/configure.ac
index a61e93cd81..e2b3ccb3ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1077,7 +1077,7 @@ ext/rtp/Makefile
 ext/sdl/Makefile
 ext/shout/Makefile
 ext/sidplay/Makefile
-ext/smooothwave/Makefile
+ext/smoothwave/Makefile
 ext/vorbis/Makefile
 ext/xmms/Makefile
 gst-libs/Makefile
diff --git a/ext/Makefile.am b/ext/Makefile.am
index 62b9636705..7dd9b42e52 100644
--- a/ext/Makefile.am
+++ b/ext/Makefile.am
@@ -161,7 +161,7 @@ SHOUT_DIR=
 endif
 
 if USE_SMOOTHWAVE
-SMOOTHWAVE_DIR=smooothwave
+SMOOTHWAVE_DIR=smoothwave
 else
 SMOOTHWAVE_DIR=
 endif