diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 183ff52507..3228e8370e 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2518,7 +2518,7 @@ void MacroAssembler::Ret(int bytes_dropped, Register scratch) {
 }
 
 
-void MacroAssembler::VerifyX87StackDepth(uint depth) {
+void MacroAssembler::VerifyX87StackDepth(uint32_t depth) {
   // Make sure the floating point stack is either empty or has depth items.
   ASSERT(depth <= 7);
 
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 19d4d93094..159ae6e6b6 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -808,7 +808,7 @@ class MacroAssembler: public Assembler {
   }
 
   // Insert code to verify that the x87 stack has the specified depth (0-7)
-  void VerifyX87StackDepth(uint depth);
+  void VerifyX87StackDepth(uint32_t depth);
 
   // ---------------------------------------------------------------------------
   // StatsCounter support