diff --git a/src/nethogs.cpp b/src/nethogs.cpp
index 855261c..d08c4e7 100644
--- a/src/nethogs.cpp
+++ b/src/nethogs.cpp
@@ -39,6 +39,8 @@
 #include <netinet/udp.h>
 
 #if NEEDROOT == 0
+#include <linux/limits.h>
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/xattr.h>
 #include <linux/capability.h>
diff --git a/src/nethogs.h b/src/nethogs.h
index 08f1add..bae80f0 100644
--- a/src/nethogs.h
+++ b/src/nethogs.h
@@ -53,7 +53,7 @@
  * like www.adamantix.org: in that case nethogs shouldn't check if it's
  * running as root. Take care to give it sufficient privileges though. */
 #ifndef NEEDROOT
-#define NEEDROOT 1
+#define NEEDROOT 0
 #endif
 
 #define DEBUG 0