diff --git a/target-arm/arm-semi.c b/target-arm/arm-semi.c
index d50726f65d92a8ab2714c94899303fa93574cdc3..7cac8734c70d19d5a6c700344bebf55ec59181d0 100644
--- a/target-arm/arm-semi.c
+++ b/target-arm/arm-semi.c
@@ -565,7 +565,7 @@ target_ulong do_arm_semihosting(CPUARMState *env)
     case TARGET_SYS_HEAPINFO:
         {
             target_ulong retvals[4];
-            uint32_t limit;
+            target_ulong limit;
             int i;
 
             GET_ARG(0);