diff --git a/src/common/mem_utils/mem_utils.c b/src/common/mem_utils/mem_utils.c
index c002a13..af62a6a 100644
--- a/src/common/mem_utils/mem_utils.c
+++ b/src/common/mem_utils/mem_utils.c
@@ -75,7 +75,7 @@ void *wapp_mem_util_alloc(void *addr, u64 size, MemAccess access,
 #elif defined(WAPP_PLATFORM_POSIX)
   void *output = alloc_posix(addr, size, access, flags);
 #else
-  return NULL;
+#error "Unrecognised platform"
 #endif
 
   if (type == WAPP_MEM_INIT_INITIALISED) {