diff --git a/test/Makefile.summit b/test/Makefile.summit
index e9fae28..a93eb93 100644
--- a/test/Makefile.summit
+++ b/test/Makefile.summit
@@ -33,7 +33,7 @@ SRC = async_test_serial.c async_test_serial2.c \
     async_test_parallel4.c async_test_parallel5.c \
     async_test_serial_event_set.c async_test_serial_error_stack.c \
     async_test_serial_event_set_error_stack.c async_test_serial_mdset.c \
-    async_test_parallel_merge.c
+    async_test_parallel_merge.c async_test_compression.c
 #async_test_no_fclose.c
 OBJ = $(SRC:.c=.o)
 EXE = $(SRC:.c=.exe)
diff --git a/test/async_test_compression.c b/test/async_test_compression.c
index 5a23472..3d814d2 100644
--- a/test/async_test_compression.c
+++ b/test/async_test_compression.c
@@ -4,13 +4,15 @@
 #define DIM0 10
 #define DIM1 10
 
-int main() {
-    hid_t fid, dspace, dset, dcpl, es_id;
+int
+main()
+{
+    hid_t   fid, dspace, dset, dcpl, es_id;
     hsize_t dims[2];
-    int ret, data[DIM0][DIM1];
+    int     ret = 0, data[DIM0][DIM1];
     herr_t  status;
     hbool_t op_failed;
-    size_t num_in_progress;
+    size_t  num_in_progress;
 
     for (int i = 0; i < DIM0; i++)
         for (int j = 0; j < DIM1; j++)
@@ -27,13 +29,14 @@ int main() {
 
     dims[0] = DIM0;
     dims[1] = DIM1;
-    dspace = H5Screate_simple(2, dims, NULL);
+    dspace  = H5Screate_simple(2, dims, NULL);
 
     dcpl = H5Pcreate(H5P_DATASET_CREATE);
     H5Pset_chunk(dcpl, 2, dims);
     H5Pset_deflate(dcpl, 9);
 
-    dset = H5Dcreate_async(fid, "compress_dset", H5T_NATIVE_INT, dspace, H5P_DEFAULT, dcpl, H5P_DEFAULT, es_id);
+    dset =
+        H5Dcreate_async(fid, "compress_dset", H5T_NATIVE_INT, dspace, H5P_DEFAULT, dcpl, H5P_DEFAULT, es_id);
     if (dset < 0) {
         fprintf(stderr, "Error with dset create\n");
         ret = -1;
@@ -54,7 +57,7 @@ int main() {
 
     printf("Wait for async\n");
     fflush(stdout);
-        
+
     status = H5ESwait(es_id, H5ES_WAIT_FOREVER, &num_in_progress, &op_failed);
     if (status < 0) {
         fprintf(stderr, "Error with H5ESwait\n");