diff --git a/linux-user/nios2/target_cpu.h b/linux-user/nios2/target_cpu.h
index 14f63338fa..5596c05c9c 100644
--- a/linux-user/nios2/target_cpu.h
+++ b/linux-user/nios2/target_cpu.h
@@ -17,8 +17,8 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef TARGET_CPU_H
-#define TARGET_CPU_H
+#ifndef NIOS2_TARGET_CPU_H
+#define NIOS2_TARGET_CPU_H
 
 static inline void cpu_clone_regs(CPUNios2State *env, target_ulong newsp)
 {
diff --git a/linux-user/nios2/target_signal.h b/linux-user/nios2/target_signal.h
index 7776bcdbfd..fe48721b3d 100644
--- a/linux-user/nios2/target_signal.h
+++ b/linux-user/nios2/target_signal.h
@@ -1,5 +1,5 @@
-#ifndef TARGET_SIGNAL_H
-#define TARGET_SIGNAL_H
+#ifndef NIOS2_TARGET_SIGNAL_H
+#define NIOS2_TARGET_SIGNAL_H
 
 /* this struct defines a stack used during syscall handling */
 
@@ -18,4 +18,4 @@ typedef struct target_sigaltstack {
 
 #include "../generic/signal.h"
 
-#endif /* TARGET_SIGNAL_H */
+#endif /* NIOS2_TARGET_SIGNAL_H */
diff --git a/linux-user/nios2/target_structs.h b/linux-user/nios2/target_structs.h
index 8713772089..7145251706 100644
--- a/linux-user/nios2/target_structs.h
+++ b/linux-user/nios2/target_structs.h
@@ -16,8 +16,8 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#ifndef TARGET_STRUCTS_H
-#define TARGET_STRUCTS_H
+#ifndef NIOS2_TARGET_STRUCTS_H
+#define NIOS2_TARGET_STRUCTS_H
 
 struct target_ipc_perm {
     abi_int __key;                      /* Key.  */
diff --git a/linux-user/nios2/target_syscall.h b/linux-user/nios2/target_syscall.h
index ca6b7e69f6..f3b2a500f4 100644
--- a/linux-user/nios2/target_syscall.h
+++ b/linux-user/nios2/target_syscall.h
@@ -1,5 +1,5 @@
-#ifndef TARGET_SYSCALL_H
-#define TARGET_SYSCALL_H
+#ifndef NIOS2_TARGET_SYSCALL_H
+#define NIOS2_TARGET_SYSCALL_H
 
 #define UNAME_MACHINE "nios2"
 #define UNAME_MINIMUM_RELEASE "3.19.0"
@@ -34,4 +34,4 @@ struct target_pt_regs {
 #define TARGET_MLOCKALL_MCL_CURRENT 1
 #define TARGET_MLOCKALL_MCL_FUTURE  2
 
-#endif  /* TARGET_SYSCALL_H */
+#endif /* NIOS2_TARGET_SYSCALL_H */
diff --git a/linux-user/riscv/target_cpu.h b/linux-user/riscv/target_cpu.h
index 7e090f376a..90f9a4171e 100644
--- a/linux-user/riscv/target_cpu.h
+++ b/linux-user/riscv/target_cpu.h
@@ -1,5 +1,5 @@
-#ifndef TARGET_CPU_H
-#define TARGET_CPU_H
+#ifndef RISCV_TARGET_CPU_H
+#define RISCV_TARGET_CPU_H
 
 static inline void cpu_clone_regs(CPURISCVState *env, target_ulong newsp)
 {
diff --git a/linux-user/riscv/target_signal.h b/linux-user/riscv/target_signal.h
index c8b1455800..f113ba9a55 100644
--- a/linux-user/riscv/target_signal.h
+++ b/linux-user/riscv/target_signal.h
@@ -1,5 +1,5 @@
-#ifndef TARGET_SIGNAL_H
-#define TARGET_SIGNAL_H
+#ifndef RISCV_TARGET_SIGNAL_H
+#define RISCV_TARGET_SIGNAL_H
 
 typedef struct target_sigaltstack {
     abi_ulong ss_sp;
@@ -15,4 +15,4 @@ typedef struct target_sigaltstack {
 
 #include "../generic/signal.h"
 
-#endif /* TARGET_SIGNAL_H */
+#endif /* RISCV_TARGET_SIGNAL_H */
diff --git a/linux-user/riscv/target_structs.h b/linux-user/riscv/target_structs.h
index 4f0462c497..ea3e5ed17e 100644
--- a/linux-user/riscv/target_structs.h
+++ b/linux-user/riscv/target_structs.h
@@ -4,8 +4,8 @@
  * This is a copy of ../aarch64/target_structs.h atm.
  *
  */
-#ifndef TARGET_STRUCTS_H
-#define TARGET_STRUCTS_H
+#ifndef RISCV_TARGET_STRUCTS_H
+#define RISCV_TARGET_STRUCTS_H
 
 struct target_ipc_perm {
     abi_int __key;                      /* Key.  */