diff --git a/Disk.cpp b/Disk.cpp
index a22f5c8..89dc05b 100644
--- a/Disk.cpp
+++ b/Disk.cpp
@@ -13,10 +13,12 @@
 #include "common.h"
 
 #include <fcntl.h>
+#include <unistd.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
 
 #include <stdio.h>
+#include <string.h>
 
 #include <algorithm>
 #include <set>
diff --git a/profuse_dirent.cpp b/profuse_dirent.cpp
index 1536685..8ed3015 100644
--- a/profuse_dirent.cpp
+++ b/profuse_dirent.cpp
@@ -9,6 +9,7 @@
 #include "profuse.h"
 
 #include <errno.h>
+#include <strings.h>
 
 #include <algorithm>
 #include <string>
diff --git a/profuse_file.cpp b/profuse_file.cpp
index 2135cf9..b1fbd9e 100644
--- a/profuse_file.cpp
+++ b/profuse_file.cpp
@@ -8,6 +8,7 @@
 
 #include "profuse.h"
 #include <errno.h>
+#include <stdio.h>
 
 
 #pragma mark Read Functions
diff --git a/profuse_stat.cpp b/profuse_stat.cpp
index 496b6eb..1ee87a6 100644
--- a/profuse_stat.cpp
+++ b/profuse_stat.cpp
@@ -12,6 +12,7 @@
 #include "profuse.h"
 #include <errno.h>
 #include <string.h>
+#include <stdio.h>
 
 #include <vector>
 
diff --git a/profuse_xattr.cpp b/profuse_xattr.cpp
index cbb2894..2626b99 100644
--- a/profuse_xattr.cpp
+++ b/profuse_xattr.cpp
@@ -11,7 +11,10 @@
 
 #include <algorithm>
 #include <string>
+
 #include <errno.h>
+#include <string.h>
+#include <strings.h>
 
 using std::string;