diff --git a/src/common/uuid_linux.c b/src/common/uuid_linux.c
index 16ee2dae531..5755a0d4718 100644
--- a/src/common/uuid_linux.c
+++ b/src/common/uuid_linux.c
@@ -28,13 +28,13 @@ util_uuid_generate(uuid_t uuid)
 	int fd = os_open(POOL_HDR_UUID_GEN_FILE, O_RDONLY);
 	if (fd < 0) {
 		/* Fatal error */
-		CORE_LOG_WARNING("!open(uuid)");
+		CORE_LOG_WARNING_W_ERRNO("open(uuid)");
 		return -1;
 	}
 	ssize_t num = read(fd, uu, POOL_HDR_UUID_STR_LEN);
 	if (num < POOL_HDR_UUID_STR_LEN) {
 		/* Fatal error */
-		CORE_LOG_WARNING("!read(uuid)");
+		CORE_LOG_WARNING_W_ERRNO("read(uuid)");
 		os_close(fd);
 		return -1;
 	}
diff --git a/src/libpmemobj/obj.c b/src/libpmemobj/obj.c
index a1eda31b54e..3025224b4ce 100644
--- a/src/libpmemobj/obj.c
+++ b/src/libpmemobj/obj.c
@@ -87,7 +87,7 @@ obj_ctl_init_and_load(PMEMobjpool *pop)
 	LOG(3, "pop %p", pop);
 
 	if (pop != NULL && (pop->ctl = ctl_new()) == NULL) {
-		CORE_LOG_WARNING("!ctl_new");
+		CORE_LOG_WARNING_W_ERRNO("ctl_new");
 		return -1;
 	}
 
@@ -1186,7 +1186,7 @@ obj_check_basic_local(PMEMobjpool *pop, size_t mapped_size)
 	}
 
 	if ((errno = lane_check(pop)) != 0) {
-		CORE_LOG_WARNING("!lane_check");
+		CORE_LOG_WARNING_W_ERRNO("lane_check");
 		consistent = 0;
 	}
 
@@ -1195,7 +1195,7 @@ obj_check_basic_local(PMEMobjpool *pop, size_t mapped_size)
 	errno = palloc_heap_check((char *)pop + pop->heap_offset,
 		heap_size);
 	if (errno != 0) {
-		CORE_LOG_WARNING("!heap_check");
+		CORE_LOG_WARNING_W_ERRNO("heap_check");
 		consistent = 0;
 	}
 
diff --git a/src/libpmempool/rm.c b/src/libpmempool/rm.c
index cbb540249a0..425858c4970 100644
--- a/src/libpmempool/rm.c
+++ b/src/libpmempool/rm.c
@@ -20,7 +20,7 @@
 
 #define ERR_F(f, ...) do {\
 	if (CHECK_FLAG((f), FORCE))\
-		CORE_LOG_WARNING("!(ignored) " __VA_ARGS__);\
+		CORE_LOG_WARNING_W_ERRNO("(ignored) " __VA_ARGS__);\
 	else\
 		ERR_WO_ERRNO(__VA_ARGS__);\
 } while (0)