diff --git a/pc/key_store.cpp b/pc/key_store.cpp
index a521adbb7..1e0e4f7dd 100644
--- a/pc/key_store.cpp
+++ b/pc/key_store.cpp
@@ -4,6 +4,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <errno.h>
 
 using namespace pc;
 
diff --git a/program/c/src/oracle/oracle.h b/program/c/src/oracle/oracle.h
index 3db9b8b09..0c0e9c613 100644
--- a/program/c/src/oracle/oracle.h
+++ b/program/c/src/oracle/oracle.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdbool.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {