diff --git a/src/modules/module-combine-sink.c b/src/modules/module-combine-sink.c
index 48f562197..90403147c 100644
--- a/src/modules/module-combine-sink.c
+++ b/src/modules/module-combine-sink.c
@@ -747,7 +747,7 @@ static void update_latency_range(struct userdata *u) {
     if (max_latency < min_latency)
         max_latency = min_latency;
 
-    pa_log_debug("Sink update latency range %lu %lu", min_latency, max_latency);
+    pa_log_debug("Sink update latency range %" PRIu64 " %" PRIu64, min_latency, max_latency);
     pa_sink_set_latency_range_within_thread(u->sink, min_latency, max_latency);
 }
 
diff --git a/src/tests/mcalign-test.c b/src/tests/mcalign-test.c
index bd192b5ba..443b4a7b6 100644
--- a/src/tests/mcalign-test.c
+++ b/src/tests/mcalign-test.c
@@ -74,7 +74,7 @@ int main(int argc, char *argv[]) {
 
         c.length = (size_t) r;
         pa_mcalign_push(a, &c);
-        fprintf(stderr, "Read %ld bytes\n", (long)r);
+        fprintf(stderr, "Read %zd bytes\n", r);
 
         c.index += (size_t) r;