diff --git a/lib/ftl/ftl_core.c b/lib/ftl/ftl_core.c
index a00d20171..fc781635c 100644
--- a/lib/ftl/ftl_core.c
+++ b/lib/ftl/ftl_core.c
@@ -652,7 +652,7 @@ ftl_wptr_user_blocks_left(const struct ftl_wptr *wptr)
 	return ftl_band_user_blocks_left(wptr->band, wptr->offset);
 }
 
-static int
+static bool
 ftl_wptr_ready(struct ftl_wptr *wptr)
 {
 	struct ftl_band *band = wptr->band;
@@ -664,14 +664,14 @@ ftl_wptr_ready(struct ftl_wptr *wptr)
 		if (spdk_unlikely(wptr->zone->info.state == SPDK_BDEV_ZONE_STATE_OFFLINE)) {
 			ftl_wptr_advance(wptr, wptr->dev->xfer_size);
 		}
-		return 0;
+		return false;
 	}
 
 	/* If we're in the process of writing metadata, wait till it is */
 	/* completed. */
 	/* TODO: we should probably change bands once we're writing tail md */
 	if (ftl_band_state_changing(band)) {
-		return 0;
+		return false;
 	}
 
 	if (band->state == FTL_BAND_STATE_FULL) {
@@ -682,7 +682,7 @@ ftl_wptr_ready(struct ftl_wptr *wptr)
 			}
 		}
 
-		return 0;
+		return false;
 	}
 
 	if (band->state != FTL_BAND_STATE_OPEN) {
@@ -691,10 +691,10 @@ ftl_wptr_ready(struct ftl_wptr *wptr)
 			assert(false);
 		}
 
-		return 0;
+		return false;
 	}
 
-	return 1;
+	return true;
 }
 
 int