diff --git a/foot-features.h b/foot-features.h
index ad447767..e5c8af7a 100644
--- a/foot-features.h
+++ b/foot-features.h
@@ -37,3 +37,12 @@ static inline bool feature_graphemes(void)
     return false;
 #endif
 }
+
+static inline bool feature_builtin_wcwidth(void)
+{
+#if FOOT_SYSTEM_WCWIDTH == 0
+    return true;
+#else
+    return false;
+#endif
+}
diff --git a/main.c b/main.c
index 34f72a7c..b64b9d56 100644
--- a/main.c
+++ b/main.c
@@ -45,12 +45,13 @@ static const char *
 version_and_features(void)
 {
     static char buf[256];
-    snprintf(buf, sizeof(buf), "version: %s %cpgo %cime %cgraphemes %cassertions",
+    snprintf(buf, sizeof(buf), "version: %s %cpgo %cime %cgraphemes %cassertions %cwcwidth",
              FOOT_VERSION,
              feature_pgo() ? '+' : '-',
              feature_ime() ? '+' : '-',
              feature_graphemes() ? '+' : '-',
-             feature_assertions() ? '+' : '-');
+             feature_assertions() ? '+' : '-',
+             feature_builtin_wcwidth() ? '+' : '-');
     return buf;
 }