diff --git a/tests/test_astlpc.c b/tests/test_astlpc.c
index 2d637de..c5f9e93 100644
--- a/tests/test_astlpc.c
+++ b/tests/test_astlpc.c
@@ -98,13 +98,13 @@
 {
 	struct mctp_binding_astlpc_mmio *mmio = binding_to_mmio(data);
 
+	mctp_prdebug("%s: %zu bytes from 0x%lx", __func__, len, offset);
+
 	assert(offset >= 0L);
 	assert(offset + len < mmio->lpc_size);
 
 	memcpy(buf, mmio->lpc + offset, len);
 
-	mctp_prdebug("%s: %zu bytes from 0x%lx", __func__, len, offset);
-
 	return 0;
 }
 
@@ -112,13 +112,13 @@
 {
 	struct mctp_binding_astlpc_mmio *mmio = binding_to_mmio(data);
 
+	mctp_prdebug("%s: %zu bytes to 0x%lx", __func__, len, offset);
+
 	assert(offset >= 0L);
 	assert(offset + len < mmio->lpc_size);
 
 	memcpy(mmio->lpc + offset, buf, len);
 
-	mctp_prdebug("%s: %zu bytes to 0x%lx", __func__, len, offset);
-
 	return 0;
 }