diff --git a/src/pulsecore/memblockq.c b/src/pulsecore/memblockq.c
index 4eeb4d6db..0c245d2b2 100644
--- a/src/pulsecore/memblockq.c
+++ b/src/pulsecore/memblockq.c
@@ -287,8 +287,7 @@ int pa_memblockq_push(pa_memblockq* bq, const pa_memchunk *uchunk) {
     pa_assert(uchunk->length > 0);
     pa_assert(uchunk->index + uchunk->length <= pa_memblock_get_length(uchunk->memblock));
 
-    if (uchunk->length % bq->base)
-        return -1;
+    pa_assert_se(uchunk->length % bq->base == 0);
 
     if (!can_push(bq, uchunk->length))
         return -1;
diff --git a/src/pulsecore/memblockq.h b/src/pulsecore/memblockq.h
index 83a54152f..88906ba4a 100644
--- a/src/pulsecore/memblockq.h
+++ b/src/pulsecore/memblockq.h
@@ -51,7 +51,7 @@ typedef struct pa_memblockq pa_memblockq;
 
    - ss:        Sample spec describing the queue contents. Only multiples
                 of the frame size as implied by the sample spec are
-                popped from the queue or should be pushed into it.
+                allowed into the queue or can be popped from it.
 
    - prebuf:    If the queue runs empty wait until this many bytes are in
                 queue again before passing the first byte out. If set