diff --git a/app/src/addr.h b/app/src/addr.h
index 2245856..eb61650 100644
--- a/app/src/addr.h
+++ b/app/src/addr.h
@@ -19,6 +19,9 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+#include <stdint.h>
+
+#include "zxerror.h"
 
 // Return the number of items in the address view
 zxerr_t addr_getNumItems(uint8_t *num_items);
diff --git a/app/src/eth_addr.h b/app/src/eth_addr.h
index 9b9f0aa..20e7e2d 100644
--- a/app/src/eth_addr.h
+++ b/app/src/eth_addr.h
@@ -19,6 +19,9 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+#include <stdint.h>
+
+#include "zxerror.h"
 
 /// Return the number of items in the address view
 zxerr_t eth_addr_getNumItems(uint8_t *num_items);
diff --git a/app/src/hash.h b/app/src/hash.h
index c040d60..c8289c7 100644
--- a/app/src/hash.h
+++ b/app/src/hash.h
@@ -19,6 +19,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+#include <stdint.h>
+
 #include "zxerror.h"
 
 const char *hash_parse();