diff --git a/src/nvcore/Debug.cpp b/src/nvcore/Debug.cpp
index 8c9e622..868f79f 100644
--- a/src/nvcore/Debug.cpp
+++ b/src/nvcore/Debug.cpp
@@ -186,7 +186,7 @@ namespace
              mov ctx.Esp, esp
         }
 #else
-        RtlCaptureContext(&ctx);
+        RtlCaptureContext(&ctx); // Not implemented correctly in x86.
 #endif
 
         return backtraceWithSymbols(&ctx, trace, maxcount, 1);
diff --git a/src/nvcore/Debug.h b/src/nvcore/Debug.h
index 3599b43..c2a7fc7 100644
--- a/src/nvcore/Debug.h
+++ b/src/nvcore/Debug.h
@@ -133,10 +133,10 @@ namespace nv
         if (reinterpret_cast<uint64>(ptr) < 0x10000ULL) return false;
         if (reinterpret_cast<uint64>(ptr) >= 0x000007FFFFFEFFFFULL) return false;
     #else
-	    if (reinterpret_cast<uint>(ptr) == 0xcccccccc) return false;
-	    if (reinterpret_cast<uint>(ptr) == 0xcdcdcdcd) return false;
-	    if (reinterpret_cast<uint>(ptr) == 0xdddddddd) return false;
-	    if (reinterpret_cast<uint>(ptr) == 0xffffffff) return false;
+	    if (reinterpret_cast<uintptr_t>(ptr) == 0xcccccccc) return false;
+	    if (reinterpret_cast<uintptr_t>(ptr) == 0xcdcdcdcd) return false;
+	    if (reinterpret_cast<uintptr_t>(ptr) == 0xdddddddd) return false;
+	    if (reinterpret_cast<uintptr_t>(ptr) == 0xffffffff) return false;
     #endif
         return true;
     }