diff --git a/src/scan.c b/src/scan.c
index 85b36b3..feff3d6 100644
--- a/src/scan.c
+++ b/src/scan.c
@@ -199,6 +199,9 @@ int scan_file(const char *file, unsigned index) {
 	packet.size = buffer_size;
 
 	swr = swr_alloc();
+    if (swr == NULL){
+        fail_printf("unable to allocate memory fro SwrContext");
+    }
 
 	*ebur128 = ebur128_init(
 		ctx -> channels, ctx -> sample_rate,
@@ -436,8 +439,14 @@ static void scan_frame(ebur128_state *ebur128, AVFrame *frame,
 	out_size = av_samples_get_buffer_size(
 		&out_linesize, frame -> channels, frame -> nb_samples, out_fmt, 0
 	);
+    if (out_size < 0){
+        fail_printf("av_samples_get_buffer_size() failed with return code %d", out_size);
+    }
 
 	out_data = av_malloc(out_size);
+    if (out_data == NULL){
+        fail_printf("av_malloc failed to allocate memory");
+    }
 
 	if (swr_convert(
 		swr, (uint8_t**) &out_data, frame -> nb_samples,