diff --git a/src/client/linux/minidump_writer/linux_core_dumper.cc b/src/client/linux/minidump_writer/linux_core_dumper.cc
index 9a2f4d6c..3bb2ee7e 100644
--- a/src/client/linux/minidump_writer/linux_core_dumper.cc
+++ b/src/client/linux/minidump_writer/linux_core_dumper.cc
@@ -43,6 +43,7 @@
 #include <asm/reg.h>
 #endif
 
+#include "common/linux/elf_gnu_compat.h"
 #include "common/linux/linux_libc_support.h"
 
 namespace google_breakpad {
diff --git a/src/common/linux/elf_gnu_compat.h b/src/common/linux/elf_gnu_compat.h
index f870cbc7..0a3dfedb 100644
--- a/src/common/linux/elf_gnu_compat.h
+++ b/src/common/linux/elf_gnu_compat.h
@@ -43,4 +43,9 @@
 #define NT_GNU_BUILD_ID 3
 #endif
 
+// Newer Linux systems offer this.
+#ifndef NT_SIGINFO
+#define NT_SIGINFO 0x53494749
+#endif
+
 #endif  // COMMON_LINUX_ELF_GNU_COMPAT_H_