gistfile1.txt

diff --git a/src/6model/reprs/CPPStruct.c b/src/6model/reprs/CPPStruct.c
index 9373909..53b5ac9 100644
--- a/src/6model/reprs/CPPStruct.c
+++ b/src/6model/reprs/CPPStruct.c
@@ -320,8 +320,8 @@ static void initialize(MVMThreadContext *tc, MVMSTable *st, MVMObject *root, voi
 
     /* Allocate object body. */
     MVMCPPStructBody *body = (MVMCPPStructBody *)data;
-    body->cppstruct = MVM_malloc(repr_data->struct_size > 0 ? repr_data->struct_size : 1);
-    memset(body->cppstruct, 0, repr_data->struct_size);
+    size_t size = repr_data->struct_size > 0 ? repr_data->struct_size : 1;
+    body->cppstruct = MVM_calloc(1, size);
 
     /* Allocate child obj array. */
     if (repr_data->num_child_objs > 0)
diff --git a/src/6model/reprs/CStruct.c b/src/6model/reprs/CStruct.c
index 04bb654..459b6ae 100644
--- a/src/6model/reprs/CStruct.c
+++ b/src/6model/reprs/CStruct.c
@@ -314,8 +314,8 @@ static void initialize(MVMThreadContext *tc, MVMSTable *st, MVMObject *root, voi
 
     /* Allocate object body. */
     MVMCStructBody *body = (MVMCStructBody *)data;
-    body->cstruct = MVM_malloc(repr_data->struct_size > 0 ? repr_data->struct_size : 1);
-    memset(body->cstruct, 0, repr_data->struct_size);
+    size_t size = repr_data->struct_size > 0 ? repr_data->struct_size : 1;
+    body->cstruct = MVM_calloc(1, size);
 
     /* Allocate child obj array. */
     if (repr_data->num_child_objs > 0)