--- a/tests/include/test/macros.h
+++ b/tests/include/test/macros.h
@@ -135,8 +135,8 @@
     do {                                                    \
         TEST_ASSERT((pointer) == NULL);                     \
         if ((item_count) != 0) {                            \
-            (pointer) = mbedtls_calloc(sizeof(*(pointer)),  \
-                                       (item_count));       \
+            (pointer) = mbedtls_calloc((item_count),        \
+                                       sizeof(*(pointer))); \
             TEST_ASSERT((pointer) != NULL);                 \
         }                                                   \
     } while (0)
@@ -153,8 +153,8 @@
     do {                                                    \
         TEST_ASSERT((pointer) == NULL);                     \
         if ((item_count) != 0) {                            \
-            (pointer) = mbedtls_calloc(sizeof(*(pointer)),  \
-                                       (item_count));       \
+            (pointer) = mbedtls_calloc((item_count),        \
+                                       sizeof(*(pointer))); \
             TEST_ASSUME((pointer) != NULL);                 \
         }                                                   \
     } while (0)