diff --git a/Source/Core/Common/MemArenaAndroid.cpp b/Source/Core/Common/MemArenaAndroid.cpp
index 45b685274b..3c4b800da8 100644
--- a/Source/Core/Common/MemArenaAndroid.cpp
+++ b/Source/Core/Common/MemArenaAndroid.cpp
@@ -156,7 +156,7 @@ void* LazyMemoryRegion::Create(size_t size)
   ASSERT(!m_memory);
 
   void* memory = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-  if (!memory)
+  if (memory == MAP_FAILED)
   {
     NOTICE_LOG_FMT(MEMMAP, "Memory allocation of {} bytes failed.", size);
     return nullptr;
diff --git a/Source/Core/Common/MemArenaUnix.cpp b/Source/Core/Common/MemArenaUnix.cpp
index f962da755a..ef359de908 100644
--- a/Source/Core/Common/MemArenaUnix.cpp
+++ b/Source/Core/Common/MemArenaUnix.cpp
@@ -122,7 +122,7 @@ void* LazyMemoryRegion::Create(size_t size)
   ASSERT(!m_memory);
 
   void* memory = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-  if (!memory)
+  if (memory == MAP_FAILED)
   {
     NOTICE_LOG_FMT(MEMMAP, "Memory allocation of {} bytes failed.", size);
     return nullptr;