diff --git a/fish-rust/src/compat.c b/fish-rust/src/compat.c
index a32885dde..1fabccf18 100644
--- a/fish-rust/src/compat.c
+++ b/fish-rust/src/compat.c
@@ -1,3 +1,6 @@
 #include <stdlib.h>
+#include <term.h>
 
 size_t C_MB_CUR_MAX() { return MB_CUR_MAX; }
+
+int has_cur_term() { return cur_term != NULL; }
diff --git a/fish-rust/src/compat.rs b/fish-rust/src/compat.rs
index 32cec77ba..c1b04b282 100644
--- a/fish-rust/src/compat.rs
+++ b/fish-rust/src/compat.rs
@@ -3,6 +3,11 @@ pub fn MB_CUR_MAX() -> usize {
     unsafe { C_MB_CUR_MAX() }
 }
 
+pub fn cur_term() -> bool {
+    unsafe { has_cur_term() }
+}
+
 extern "C" {
     fn C_MB_CUR_MAX() -> usize;
+    fn has_cur_term() -> bool;
 }