diff --git a/tests/builtins/malloc.c b/tests/builtins/malloc.c
index af7f6c2470d0dc1c90b316f0d8651271e0adf45d..af2dbc58d5b2eff3d0a49890a02bf98bbfc295c7 100644
--- a/tests/builtins/malloc.c
+++ b/tests/builtins/malloc.c
@@ -33,7 +33,7 @@ void main(int c) {
   int *mw = Frama_C_malloc_imprecise(42);
   *mw = 1;
   int *mw2 = Frama_C_malloc_imprecise(42);
-  *mw2 = 1;
+  *mw2 = 2;
 
   //  *s = 1;
 }
diff --git a/tests/builtins/oracle/malloc.res.oracle b/tests/builtins/oracle/malloc.res.oracle
index b9dd7712077beb3d1ae0d7c36f6fca349eab835d..6bfbf908188b5a5853ee19749c30e75bcd07d56f 100644
--- a/tests/builtins/oracle/malloc.res.oracle
+++ b/tests/builtins/oracle/malloc.res.oracle
@@ -72,5 +72,5 @@
                      [1] ∈ UNINITIALIZED
                      [2] ∈ {3}
                      [3..24] ∈ UNINITIALIZED
-  __alloc_w_main[bits 0 to 31] ∈ {1} or UNINITIALIZED
+  __alloc_w_main[bits 0 to 31] ∈ {1; 2} or UNINITIALIZED
                 [4..4294967295] ∈ UNINITIALIZED