diff --git a/src/driver/rcinput.h b/src/driver/rcinput.h
index feb414941..89f7f4100 100644
--- a/src/driver/rcinput.h
+++ b/src/driver/rcinput.h
@@ -115,8 +115,8 @@
 */
 
 
-typedef unsigned long neutrino_msg_t;
-typedef unsigned long neutrino_msg_data_t;
+typedef uint32_t neutrino_msg_t;
+typedef uint32_t neutrino_msg_data_t;
 
 #define NEUTRINO_UDS_NAME "/tmp/neutrino.sock"