diff --git a/Modules/linuxaudiodev.c b/Modules/linuxaudiodev.c
index c1c7363..b435d76 100644
--- a/Modules/linuxaudiodev.c
+++ b/Modules/linuxaudiodev.c
@@ -28,7 +28,9 @@
 #if defined(linux)
 #include <linux/soundcard.h>
 
+#ifndef HAVE_STDINT_H
 typedef unsigned long uint32_t;
+#endif
 
 #elif defined(__FreeBSD__)
 #include <machine/soundcard.h>
diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index 9716838..eb59c4d 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -34,7 +34,9 @@
 
 #if defined(linux)
 
+#ifndef HAVE_STDINT_H
 typedef unsigned long uint32_t;
+#endif
 
 #elif defined(__FreeBSD__)