diff --git a/coredumper/src/elfcore.c b/coredumper/src/elfcore.c
index 4304770..5ce77f0 100644
--- a/coredumper/src/elfcore.c
+++ b/coredumper/src/elfcore.c
@@ -37,6 +37,8 @@
 extern "C" {
 #endif
 
+#include <linux/sched.h>
+
 #include <elf.h>
 #include <fcntl.h>
 #include <limits.h>
diff --git a/coredumper/src/linuxthreads.c b/coredumper/src/linuxthreads.c
index c09c68e..ca82cc6 100644
--- a/coredumper/src/linuxthreads.c
+++ b/coredumper/src/linuxthreads.c
@@ -38,6 +38,8 @@
 extern "C" {
 #endif
 
+#include <linux/sched.h>
+
 #include <asm/stat.h>
 #include <sched.h>
 #include <signal.h>