diff --git a/arch/xtensa/src/common/xtensa_fpucmp.c b/arch/xtensa/src/common/xtensa_fpucmp.c
index cafd93c3c0d78..e46691799193e 100644
--- a/arch/xtensa/src/common/xtensa_fpucmp.c
+++ b/arch/xtensa/src/common/xtensa_fpucmp.c
@@ -54,6 +54,6 @@ bool up_fpucmp(const void *saveregs1, const void *saveregs2)
   const uint32_t *regs2 = saveregs2;
 
   return memcmp(&regs1[XCPTCONTEXT_REGS], &regs2[XCPTCONTEXT_REGS],
-                XTENSA_CP_SA_SIZE);
+                XTENSA_CP_SA_SIZE) == 0;
 }
 #endif /* CONFIG_ARCH_FPU */