diff --git a/share/sysdefs/fs.h b/share/sysdefs/fs.h
index aff9b81..d768606 100644
--- a/share/sysdefs/fs.h
+++ b/share/sysdefs/fs.h
@@ -21,4 +21,6 @@ typedef struct {
   char name[0x100];
 } FsDirent;
 
+typedef int32_t fsh_t;
+
 #endif // SHARE_SYSDEFS_FS_H_
diff --git a/user/fs/fetch.c b/user/fs/fetch.c
index b26a4e3..b74e756 100644
--- a/user/fs/fetch.c
+++ b/user/fs/fetch.c
@@ -51,7 +51,7 @@ void fs_fetch(void) {
   }
 
   if (statbuf.type == FSSTAT_FILE) {
-    int32_t h = fs_openf(path, FS_OF_READ);
+    fsh_t h = fs_openf(path, FS_OF_READ);
     if (h < 0) {
       uprintf("fs: could not open %s\n", path);
       return;
diff --git a/user/tb/main.c b/user/tb/main.c
index a3e5dad..bd38afd 100644
--- a/user/tb/main.c
+++ b/user/tb/main.c
@@ -44,7 +44,7 @@ void set_config(void) {
 }
 
 void do_file(char *filepath) {
-  int32_t h = fs_openf(filepath, FS_OF_READ);
+  fsh_t h = fs_openf(filepath, FS_OF_READ);
   if (h < 0) {
     LOG(LOG_ERR, "Could not open %s: %s\n", filepath, ERRSTRING(h));
     return;