diff --git a/src/metadata-fsm.h b/src/metadata-fsm.h
index 5bef03a..5d8c24f 100644
--- a/src/metadata-fsm.h
+++ b/src/metadata-fsm.h
@@ -389,21 +389,12 @@ static void parse_phase1_into_aces(const std::vector<std::string> & texts,
         }
         aces[i] = base;
         // gap fill: only write fields the user left empty
-        if (parsed.bpm > 0 && base.bpm <= 0) {
-            aces[i].bpm = parsed.bpm;
-        }
-        if (parsed.duration > 0 && base.duration <= 0) {
-            aces[i].duration = parsed.duration;
-        }
-        if (!parsed.keyscale.empty() && base.keyscale.empty()) {
-            aces[i].keyscale = parsed.keyscale;
-        }
-        if (!parsed.timesignature.empty() && base.timesignature.empty()) {
-            aces[i].timesignature = parsed.timesignature;
-        }
-        if (!parsed.vocal_language.empty() && base.vocal_language.empty()) {
-            aces[i].vocal_language = parsed.vocal_language;
-        }
+        if (parsed.bpm > 0 && base.bpm <= 0) aces[i].bpm = parsed.bpm;
+        if (parsed.duration > 0 && base.duration <= 0) aces[i].duration = parsed.duration;
+        if (!parsed.keyscale.empty() && base.keyscale.empty()) aces[i].keyscale = parsed.keyscale;
+        if (!parsed.timesignature.empty() && base.timesignature.empty()) aces[i].timesignature = parsed.timesignature;
+        if (!parsed.vocal_language.empty() && base.vocal_language.empty()) aces[i].vocal_language = parsed.vocal_language;
+        if (!parsed.caption.empty()) aces[i].caption = parsed.caption;
         // lyrics: only generated when user had none
         if (merge_lyrics && !parsed.lyrics.empty()) {
             aces[i].lyrics = parsed.lyrics;