diff --git a/arch/xtensa/include/irq.h b/arch/xtensa/include/irq.h
index d4622a8ed9..08b009b576 100644
--- a/arch/xtensa/include/irq.h
+++ b/arch/xtensa/include/irq.h
@@ -238,7 +238,7 @@ static inline uint32_t up_irq_save(void)
 
   __asm__ __volatile__
   (
-    "rsil %0, %1" : "=r"(ps) : "I"(XCHAL_EXCM_LEVEL)
+    "rsil %0, %1" : "=r"(ps) : "i"(XCHAL_EXCM_LEVEL)
   );
 
   /* Return the previous PS value so that it can be restored with
diff --git a/arch/xtensa/src/common/xtensa_counter.h b/arch/xtensa/src/common/xtensa_counter.h
index 3228459cb6..a4ca36bcfb 100644
--- a/arch/xtensa/src/common/xtensa_counter.h
+++ b/arch/xtensa/src/common/xtensa_counter.h
@@ -87,7 +87,7 @@ static inline uint32_t xtensa_getcompare(void)
 
   __asm__ __volatile__
   (
-    "rsr %0, %1"  : "=r"(compare) : "I"(XT_CCOMPARE)
+    "rsr %0, %1"  : "=r"(compare) : "i"(XT_CCOMPARE)
   );
 
   return compare;
@@ -105,7 +105,7 @@ static inline void xtensa_setcompare(uint32_t compare)
 {
   __asm__ __volatile__
   (
-    "wsr %0, %1" : : "r"(compare), "I"(XT_CCOMPARE)
+    "wsr %0, %1" : : "r"(compare), "i"(XT_CCOMPARE)
   );
 }
 
diff --git a/arch/xtensa/src/esp32s2/esp32s2_timerisr.c b/arch/xtensa/src/esp32s2/esp32s2_timerisr.c
index fd61e42595..070842b654 100644
--- a/arch/xtensa/src/esp32s2/esp32s2_timerisr.c
+++ b/arch/xtensa/src/esp32s2/esp32s2_timerisr.c
@@ -76,7 +76,7 @@ static inline uint32_t xtensa_getcompare(void)
 
   __asm__ __volatile__
   (
-    "rsr %0, %1"  : "=r"(compare) : "I"(XT_CCOMPARE)
+    "rsr %0, %1"  : "=r"(compare) : "i"(XT_CCOMPARE)
   );
 
   return compare;
@@ -88,7 +88,7 @@ static inline void xtensa_setcompare(uint32_t compare)
 {
   __asm__ __volatile__
   (
-    "wsr %0, %1" : : "r"(compare), "I"(XT_CCOMPARE)
+    "wsr %0, %1" : : "r"(compare), "i"(XT_CCOMPARE)
   );
 }