diff --git a/runtime/vm/dwarf.cc b/runtime/vm/dwarf.cc
index 29e54889e33..213611431a2 100644
--- a/runtime/vm/dwarf.cc
+++ b/runtime/vm/dwarf.cc
@@ -12,9 +12,9 @@ namespace dart {
 
 #ifdef DART_PRECOMPILER
 
-#if defined(ARCH_IS_32_BIT)
+#if defined(TARGET_ARCH_IS_32_BIT)
 #define FORM_ADDR ".4byte"
-#elif defined(ARCH_IS_64_BIT)
+#elif defined(TARGET_ARCH_IS_64_BIT)
 #define FORM_ADDR ".8byte"
 #endif
 
diff --git a/runtime/vm/image_snapshot.h b/runtime/vm/image_snapshot.h
index f59d946c0e5..a2741d6dc3a 100644
--- a/runtime/vm/image_snapshot.h
+++ b/runtime/vm/image_snapshot.h
@@ -315,7 +315,7 @@ class AssemblyImageWriter : public ImageWriter {
   intptr_t WriteByteSequence(uword start, uword end);
   void WriteWordLiteralText(uword value) {
 // Padding is helpful for comparing the .S with --disassemble.
-#if defined(ARCH_IS_64_BIT)
+#if defined(TARGET_ARCH_IS_64_BIT)
     assembly_stream_.Print(".quad 0x%0.16" Px "\n", value);
 #else
     assembly_stream_.Print(".long 0x%0.8" Px "\n", value);