diff --git a/adaptive_compress.c b/adaptive_compress.c
index 571e435..3b2cf53 100644
--- a/adaptive_compress.c
+++ b/adaptive_compress.c
@@ -84,11 +84,15 @@ void
 adapt_stats(int show)
 {
 	if (show) {
-		fprintf(stderr, "Adaptive mode stats:\n");
-		fprintf(stderr, "	BZIP2 chunk count: %u\n", bzip2_count);
-		fprintf(stderr, "	LIBBSC chunk count: %u\n", bsc_count);
-		fprintf(stderr, "	PPMd chunk count: %u\n", ppmd_count);
-		fprintf(stderr, "	LZMA chunk count: %u\n\n", lzma_count);
+		if (bzip2_count > 0 || bsc_count > 0 || ppmd_count > 0 || lzma_count > 0) {
+			fprintf(stderr, "Adaptive mode stats:\n");
+			fprintf(stderr, "	BZIP2 chunk count: %u\n", bzip2_count);
+			fprintf(stderr, "	LIBBSC chunk count: %u\n", bsc_count);
+			fprintf(stderr, "	PPMd chunk count: %u\n", ppmd_count);
+			fprintf(stderr, "	LZMA chunk count: %u\n\n", lzma_count);
+		} else {
+			fprintf(stderr, "\n");
+		}
 	}
 	lzma_count = 0;
 	bzip2_count = 0;
diff --git a/libbsc_compress.c b/libbsc_compress.c
index c012393..485ded6 100644
--- a/libbsc_compress.c
+++ b/libbsc_compress.c
@@ -96,8 +96,8 @@ libbsc_init(void **data, int *level, int nthreads, uint64_t chunksize,
 	int rv;
 
 	if (chunksize > BSC_MAX_CHUNK) {
-		fprintf(stderr, "Max allowed chunk size for LIBBSC is: %ld \n",
-		    BSC_MAX_CHUNK);
+		fprintf(stderr, "Max allowed chunk size for LIBBSC is: %s \n",
+		    bytes_to_size(BSC_MAX_CHUNK));
 		return (1);
 	}
 	bscdat = slab_alloc(NULL, sizeof (struct libbsc_params));
diff --git a/main.c b/main.c
index 0c3117d..25f9f11 100644
--- a/main.c
+++ b/main.c
@@ -200,13 +200,17 @@ show_compression_stats(uint64_t chunksize)
 	fprintf(stderr, "\nCompression Statistics\n");
 	fprintf(stderr, "======================\n");
 	fprintf(stderr, "Total chunks           : %u\n", chunk_num);
-	fprintf(stderr, "Best compressed chunk  : %s(%.2f%%)\n",
-	    bytes_to_size(smallest_chunk), (double)smallest_chunk/(double)chunksize*100);
-	fprintf(stderr, "Worst compressed chunk : %s(%.2f%%)\n",
-	    bytes_to_size(largest_chunk), (double)largest_chunk/(double)chunksize*100);
-	avg_chunk /= chunk_num;
-	fprintf(stderr, "Avg compressed chunk   : %s(%.2f%%)\n\n",
-	    bytes_to_size(avg_chunk), (double)avg_chunk/(double)chunksize*100);
+	if (chunk_num == 0) {
+		fprintf(stderr, "No statistics to display.\n");
+	} else {
+		fprintf(stderr, "Best compressed chunk  : %s(%.2f%%)\n",
+		    bytes_to_size(smallest_chunk), (double)smallest_chunk/(double)chunksize*100);
+		fprintf(stderr, "Worst compressed chunk : %s(%.2f%%)\n",
+		    bytes_to_size(largest_chunk), (double)largest_chunk/(double)chunksize*100);
+		avg_chunk /= chunk_num;
+		fprintf(stderr, "Avg compressed chunk   : %s(%.2f%%)\n\n",
+		    bytes_to_size(avg_chunk), (double)avg_chunk/(double)chunksize*100);
+	}
 }
 
 void