diff --git a/qemu/target/arm/m_helper.c b/qemu/target/arm/m_helper.c
index e943c98b..cfc94932 100644
--- a/qemu/target/arm/m_helper.c
+++ b/qemu/target/arm/m_helper.c
@@ -1266,7 +1266,7 @@ static void do_v7m_exception_exit(ARMCPU *cpu)
     bool exc_secure = false;
     bool return_to_secure;
     bool ftype;
-    bool restore_s16_s31;
+    bool restore_s16_s31 = false;
 
     /*
      * If we're not in Handler mode then jumps to magic exception-exit