diff --git a/contrib/adaptive-compression/Makefile b/contrib/adaptive-compression/Makefile
index c6862198..2ebec9ba 100644
--- a/contrib/adaptive-compression/Makefile
+++ b/contrib/adaptive-compression/Makefile
@@ -29,4 +29,6 @@ clean:
 	@$(RM) -f single multi
 	@$(RM) -rf *.dSYM
 	@$(RM) -f tmp*
+	@$(RM) -f tests/*.zst
+	@$(RM) -f tests/tmp*
 	@echo "finished cleaning"
diff --git a/contrib/adaptive-compression/multi.c b/contrib/adaptive-compression/multi.c
index a6fd64ce..089dfe5a 100644
--- a/contrib/adaptive-compression/multi.c
+++ b/contrib/adaptive-compression/multi.c
@@ -1,6 +1,6 @@
 #define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
 #define FILE_CHUNK_SIZE 4 << 20
-#define MAX_NUM_JOBS 30;
+#define MAX_NUM_JOBS 50;
 #define stdinmark  "/*stdin*\\"
 #define stdoutmark "/*stdout*\\"
 #define MAX_PATH 256
@@ -96,7 +96,7 @@ static adaptCCtx* createCCtx(unsigned numJobs, const char* const outFilename)
     }
     memset(ctx, 0, sizeof(adaptCCtx));
     ctx->compressionLevel = 6; /* default */
-    pthread_mutex_init(&ctx->jobCompleted_mutex, NULL);
+    pthread_mutex_init(&ctx->jobCompleted_mutex, NULL); /* TODO: add checks for errors on each mutex */
     pthread_cond_init(&ctx->jobCompleted_cond, NULL);
     pthread_mutex_init(&ctx->jobReady_mutex, NULL);
     pthread_cond_init(&ctx->jobReady_cond, NULL);
diff --git a/contrib/adaptive-compression/run.sh b/contrib/adaptive-compression/run.sh
index e6cb2066..b906ae7d 100755
--- a/contrib/adaptive-compression/run.sh
+++ b/contrib/adaptive-compression/run.sh
@@ -76,4 +76,34 @@ diff tmp tests/test.pdf
 echo "diff test complete: test.pdf"
 rm tmp*
 
+echo "Running multi-file tests"
+./multi tests/*
+zstd -d tests/test.pdf.zst -o tests/tmp
+zstd -d tests/test2.pdf.zst -o tests/tmp2
+zstd -d tests/test4.pdf.zst -o tests/tmp4
+zstd -d tests/test8.pdf.zst -o tests/tmp8
+zstd -d tests/test16.pdf.zst -o tests/tmp16
+zstd -d tests/test32.pdf.zst -o tests/tmp32
+zstd -d tests/test64.pdf.zst -o tests/tmp64
+zstd -d tests/test128.pdf.zst -o tests/tmp128
+zstd -d tests/test256.pdf.zst -o tests/tmp256
+zstd -d tests/test512.pdf.zst -o tests/tmp512
+zstd -d tests/test1024.pdf.zst -o tests/tmp1024
+zstd -d tests/test2048.pdf.zst -o tests/tmp2048
+
+diff tests/test.pdf tests/tmp
+diff tests/test2.pdf tests/tmp2
+diff tests/test4.pdf tests/tmp4
+diff tests/test8.pdf tests/tmp8
+diff tests/test16.pdf tests/tmp16
+diff tests/test32.pdf tests/tmp32
+diff tests/test64.pdf tests/tmp64
+diff tests/test128.pdf tests/tmp128
+diff tests/test256.pdf tests/tmp256
+diff tests/test512.pdf tests/tmp512
+diff tests/test1024.pdf tests/tmp1024
+diff tests/test2048.pdf tests/tmp2048
+
+echo "finished with tests"
+
 make clean