diff --git a/legacy/ephysics/src/lib/ephysics_body.cpp b/legacy/ephysics/src/lib/ephysics_body.cpp
index 36da5691c0..e21e0e6ec1 100644
--- a/legacy/ephysics/src/lib/ephysics_body.cpp
+++ b/legacy/ephysics/src/lib/ephysics_body.cpp
@@ -398,8 +398,8 @@ ephysics_body_contact_processed(EPhysics_Body *body, EPhysics_Body *contact_body
    if ((!body) || (!contact_body))
      return;
 
-   collision = (EPhysics_Body_Collision *)malloc(
-      sizeof(EPhysics_Body_Collision));
+   collision = (EPhysics_Body_Collision *)calloc(
+      1, sizeof(EPhysics_Body_Collision));
 
    if (!collision)
      {
@@ -911,7 +911,7 @@ ephysics_body_event_callback_add(EPhysics_Body *body, EPhysics_Callback_Body_Typ
         return;
      }
 
-   cb = (EPhysics_Body_Callback *) malloc(sizeof(EPhysics_Body_Callback));
+   cb = (EPhysics_Body_Callback *)calloc(1, sizeof(EPhysics_Body_Callback));
    if (!cb)
      {
         ERR("Can't set body event callback, can't create cb instance.");
diff --git a/legacy/ephysics/src/lib/ephysics_world.cpp b/legacy/ephysics/src/lib/ephysics_world.cpp
index c5e3b162be..7a230a920e 100644
--- a/legacy/ephysics/src/lib/ephysics_world.cpp
+++ b/legacy/ephysics/src/lib/ephysics_world.cpp
@@ -797,7 +797,7 @@ ephysics_world_event_callback_add(EPhysics_World *world, EPhysics_Callback_World
         return;
      }
 
-   cb = (EPhysics_World_Callback *) malloc(sizeof(EPhysics_World_Callback));
+   cb = (EPhysics_World_Callback *)calloc(1, sizeof(EPhysics_World_Callback));
    if (!cb)
      {
         ERR("Can't set world event callback, can't create cb instance.");