diff --git a/Makefile.am b/Makefile.am
index f44444be..71bdfb33 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -105,8 +105,8 @@ src_libespeak_ng_la_SOURCES = \
 	src/libespeak-ng/readclause.c \
 	src/libespeak-ng/phonemelist.c \
 	src/libespeak-ng/setlengths.c \
-	src/libespeak-ng/speak_lib.c \
 	src/libespeak-ng/spect.c \
+	src/libespeak-ng/speech.c \
 	src/libespeak-ng/synthdata.c \
 	src/libespeak-ng/synthesize.c \
 	src/libespeak-ng/synth_mbrola.c \
diff --git a/src/libespeak-ng/speak_lib.c b/src/libespeak-ng/speech.c
similarity index 100%
rename from src/libespeak-ng/speak_lib.c
rename to src/libespeak-ng/speech.c