diff --git a/alsa.c b/alsa.c
index 014bfa6..ae38798 100644
--- a/alsa.c
+++ b/alsa.c
@@ -25,7 +25,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <limits.h>
-#include <pthread.h>
 #define ALSA_PCM_NEW_HW_PARAMS_API
 #include <alsa/asoundlib.h>
 #include "espeakup.h"
diff --git a/espeakup.c b/espeakup.c
index c16341f..b8913d0 100644
--- a/espeakup.c
+++ b/espeakup.c
@@ -23,7 +23,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <pthread.h>
 
 #include "espeakup.h"
 
diff --git a/espeakup.h b/espeakup.h
index 72db0d1..4a13391 100644
--- a/espeakup.h
+++ b/espeakup.h
@@ -22,6 +22,7 @@
 
 /* This was added for gcc 4.3 */
 #include <stddef.h>
+#include <pthread.h>
 
 #include <espeak/speak_lib.h>
 
diff --git a/queue.c b/queue.c
index b2b5c73..ff23f5c 100644
--- a/queue.c
+++ b/queue.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <pthread.h>
 
 #include "espeakup.h"