diff --git a/src/cpu/core_dyn_x86/risc_x64.h b/src/cpu/core_dyn_x86/risc_x64.h
index f9ae3b75..1bdc257d 100644
--- a/src/cpu/core_dyn_x86/risc_x64.h
+++ b/src/cpu/core_dyn_x86/risc_x64.h
@@ -1150,8 +1150,9 @@ static Bit8u * gen_create_branch_long(BranchTypes type) {
 	return (cache.pos-4);
 }
 
-static void gen_fill_branch_long(Bit8u * data,Bit8u * from=cache.pos) {
-	*(Bit32u*)data=(Bit32u)(from-data-4);
+static void gen_fill_branch_long(uint8_t *data, uint8_t *from = cache.pos)
+{
+	host_writed(data, from - data - sizeof(uint32_t));
 }
 
 static Bit8u * gen_create_jump(Bit8u * to=0) {
diff --git a/src/cpu/core_dyn_x86/risc_x86.h b/src/cpu/core_dyn_x86/risc_x86.h
index 1f663c92..713b102e 100644
--- a/src/cpu/core_dyn_x86/risc_x86.h
+++ b/src/cpu/core_dyn_x86/risc_x86.h
@@ -983,8 +983,8 @@ static Bit8u * gen_create_branch_long(BranchTypes type) {
 	return (cache.pos-4);
 }
 
-static void gen_fill_branch_long(Bit8u * data,Bit8u * from=cache.pos) {
-	*(Bit32u*)data=(from-data-4);
+static void gen_fill_branch_long(uint8_t *data, uint8_t *from = cache.pos) {
+	host_writed(data, from - data - sizeof(uint32_t));
 }
 
 static Bit8u * gen_create_jump(Bit8u * to=0) {