diff --git a/lib/librosetta/include/rosetta/bootstrap.h b/lib/librosetta/include/rosetta/bootstrap.h
index 6b81c37..bea3d53 100644
--- a/lib/librosetta/include/rosetta/bootstrap.h
+++ b/lib/librosetta/include/rosetta/bootstrap.h
@@ -26,17 +26,17 @@ struct rosetta_bootstrap_channel {
 };
 
 struct rosetta_bootstrap {
-	int bs_argc;
+	uintptr_t bs_argc;
 	const char **bs_argv;
 
-	int bs_envc;
+	uintptr_t bs_envc;
 	const char **bs_envp;
 
 	const struct rosetta_bootstrap_handle *bs_handles;
-	size_t bs_handles_count;
+	uintptr_t bs_handles_count;
 
 	const struct rosetta_bootstrap_channel *bs_channels;
-	size_t bs_channels_count;
+	uintptr_t bs_channels_count;
 };
 
 extern const struct rosetta_bootstrap_channel *rosetta_bootstrap_get_channel(