diff --git a/deltachat-ffi/src/lib.rs b/deltachat-ffi/src/lib.rs
index 5d0f08366..6dec8e23a 100644
--- a/deltachat-ffi/src/lib.rs
+++ b/deltachat-ffi/src/lib.rs
@@ -2085,7 +2085,7 @@ pub unsafe extern "C" fn dc_msg_get_showpadlock(msg: *mut dc_msg_t) -> libc::c_i
         return 0;
     }
     let ffi_msg = &*msg;
-    message::dc_msg_get_showpadlock(&ffi_msg.message)
+    message::dc_msg_get_showpadlock(&ffi_msg.message) as libc::c_int
 }
 
 #[no_mangle]
diff --git a/examples/repl/cmdline.rs b/examples/repl/cmdline.rs
index 3df2ab041..b88791e9b 100644
--- a/examples/repl/cmdline.rs
+++ b/examples/repl/cmdline.rs
@@ -229,7 +229,7 @@ unsafe fn log_msg(context: &Context, prefix: impl AsRef<str>, msg: &Message) {
         "{}#{}{}{}: {} (Contact#{}): {} {}{}{}{} [{}]",
         prefix.as_ref(),
         dc_msg_get_id(msg) as libc::c_int,
-        if 0 != dc_msg_get_showpadlock(msg) {
+        if dc_msg_get_showpadlock(msg) {
             "🔒"
         } else {
             ""
diff --git a/src/message.rs b/src/message.rs
index 553922fd2..7b50fb9b5 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -699,13 +699,8 @@ pub fn dc_msg_get_duration(msg: &Message) -> libc::c_int {
     msg.param.get_int(Param::Duration).unwrap_or_default()
 }
 
-// TODO should return bool /rtn
-pub fn dc_msg_get_showpadlock(msg: &Message) -> libc::c_int {
-    if msg.param.get_int(Param::GuranteeE2ee).unwrap_or_default() != 0 {
-        return 1;
-    }
-
-    0
+pub fn dc_msg_get_showpadlock(msg: &Message) -> bool {
+    msg.param.get_int(Param::GuranteeE2ee).unwrap_or_default() != 0
 }
 
 pub fn dc_msg_get_summary(context: &Context, msg: &mut Message, chat: Option<&Chat>) -> Lot {