diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h
index adbb03690..c3cfe05f6 100644
--- a/tcg/i386/tcg-target.h
+++ b/tcg/i386/tcg-target.h
@@ -123,6 +123,7 @@ typedef enum {
 # define TCG_AREG0 TCG_REG_EBP
 #endif
 
-static inline void flush_icache_range(unsigned long start, unsigned long stop)
+static inline void flush_icache_range(tcg_target_ulong start,
+                                      tcg_target_ulong stop)
 {
 }
diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h
index 03e0fd1a7..81fcc0fd4 100644
--- a/tcg/tci/tcg-target.h
+++ b/tcg/tci/tcg-target.h
@@ -157,7 +157,8 @@ void tci_disas(uint8_t opc);
 unsigned long tcg_qemu_tb_exec(CPUState *env, uint8_t *tb_ptr);
 #define tcg_qemu_tb_exec tcg_qemu_tb_exec
 
-static inline void flush_icache_range(unsigned long start, unsigned long stop)
+static inline void flush_icache_range(tcg_target_ulong start,
+                                      tcg_target_ulong stop)
 {
 }