diff --git a/src/examples/libpmemobj/pmemobjfs/pmemobjfs.c b/src/examples/libpmemobj/pmemobjfs/pmemobjfs.c
index a4374717c73..a3d4ae6d4e9 100644
--- a/src/examples/libpmemobj/pmemobjfs/pmemobjfs.c
+++ b/src/examples/libpmemobj/pmemobjfs/pmemobjfs.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-/* Copyright 2015-2019, Intel Corporation */
+/* Copyright 2015-2022, Intel Corporation */
 
 /*
  * pmemobjfs.c -- simple filesystem based on libpmemobj tx API
@@ -2210,7 +2210,7 @@ parse_size(const char *str, uint64_t *sizep)
 {
 	uint64_t size = 0;
 	int shift = 0;
-	char unit[3] = {0};
+	char unit[4] = {0};
 	int ret = sscanf(str, "%lu%3s", &size, unit);
 	if (ret <= 0)
 		return -1;
diff --git a/src/libpmem/pmem.h b/src/libpmem/pmem.h
index 7cf6bf13cfa..ad5d75fcbac 100644
--- a/src/libpmem/pmem.h
+++ b/src/libpmem/pmem.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause */
-/* Copyright 2014-2020, Intel Corporation */
+/* Copyright 2014-2022, Intel Corporation */
 
 /*
  * pmem.h -- internal definitions for libpmem
@@ -41,6 +41,8 @@ static inline void
 pmem_inject_fault_at(enum pmem_allocation_type type, int nth,
 						const char *at)
 {
+	SUPPRESS_UNUSED(type, nth, at);
+
 	abort();
 }