diff --git a/arch/arm/src/arm/arm_dataabort.c b/arch/arm/src/arm/arm_dataabort.c
index 794b3a49bfa..9bc586258a9 100644
--- a/arch/arm/src/arm/arm_dataabort.c
+++ b/arch/arm/src/arm/arm_dataabort.c
@@ -158,7 +158,7 @@ void arm_dataabort(uint32_t *regs)
 
   /* Crash -- possibly showing diagnost debug information. */
 
-  _alert("Data abort. PC: %08x\n", regs[REG_PC]);
+  _alert("Data abort. PC: %08" PRIx32 "\n", regs[REG_PC]);
   PANIC();
 }