diff --git a/core/alloc.c b/core/alloc.c
index bfa5517..6b08a7c 100644
--- a/core/alloc.c
+++ b/core/alloc.c
@@ -126,6 +126,8 @@ static int allocSlab(struct slabDesc **desc, size_t size, size_t sizeSlab, int s
         ((*desc)->slab).freeEl = (char *)(*desc) + sizeof(struct slabDesc);
     } else {
         *desc                = malloc(sizeof(struct slabDesc));
+        if (*desc == NULL)
+            return -ENOMEM;
         (*desc)->slab.freeEl = (void *)alloc;
     }
 
@@ -174,6 +176,8 @@ static int allocSlabEntry(struct slabEntry **desc, size_t size, size_t sizeSlab,
         (*desc)->freeEl = (char *)(*desc) + sizeof(struct slabEntry);
     } else {
         *desc           = malloc(sizeof(struct slabEntry));
+        if (*desc == NULL)
+            return -ENOMEM;
         (*desc)->freeEl = (void *)alloc;
     }