diff --git a/renderdoc/os/linux/linux_stringio.cpp b/renderdoc/os/linux/linux_stringio.cpp
index f2609d996..7ad8c73db 100644
--- a/renderdoc/os/linux/linux_stringio.cpp
+++ b/renderdoc/os/linux/linux_stringio.cpp
@@ -30,6 +30,7 @@
 #include <time.h>
 #include <stdio.h>
 #include <string.h>
+#include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
diff --git a/renderdoc/serialise/serialiser.cpp b/renderdoc/serialise/serialiser.cpp
index 20e4df9fd..4237cf82d 100644
--- a/renderdoc/serialise/serialiser.cpp
+++ b/renderdoc/serialise/serialiser.cpp
@@ -24,6 +24,7 @@
  ******************************************************************************/
 
 
+#include <errno.h>
 #include "serialiser.h"
 
 #include "core/core.h"