diff --git a/spa/plugins/audioconvert/resample-peaks-impl.h b/spa/plugins/audioconvert/resample-peaks-impl.h
index 86cb71799..d8b28fb2b 100644
--- a/spa/plugins/audioconvert/resample-peaks-impl.h
+++ b/spa/plugins/audioconvert/resample-peaks-impl.h
@@ -31,7 +31,7 @@
 struct peaks_data {
 	uint32_t o_count;
 	uint32_t i_count;
-	float max_f[0];
+	float max_f[];
 };
 
 #if defined (HAVE_SSE)
diff --git a/spa/plugins/audioconvert/resample-peaks.c b/spa/plugins/audioconvert/resample-peaks.c
index b1663a3c4..9e4c4223d 100644
--- a/spa/plugins/audioconvert/resample-peaks.c
+++ b/spa/plugins/audioconvert/resample-peaks.c
@@ -146,7 +146,7 @@ int resample_peaks_init(struct resample *r)
 	r->delay = impl_peaks_delay;
 	r->in_len = impl_peaks_in_len;
 
-	d = r->data = calloc(1, sizeof(struct peaks_data) * sizeof(float) * r->channels);
+	d = r->data = calloc(1, sizeof(struct peaks_data) + sizeof(float) * r->channels);
 	if (r->data == NULL)
 		return -errno;