diff --git a/components/include/memfault/core/compiler_armcc.h b/components/include/memfault/core/compiler_armcc.h
index 21f7fcfbe..2a0917274 100644
--- a/components/include/memfault/core/compiler_armcc.h
+++ b/components/include/memfault/core/compiler_armcc.h
@@ -16,6 +16,7 @@ extern "C" {
 #endif
 
 #define MEMFAULT_PACKED __packed
+#define MEMFAULT_PACKED_ENUM enum MEMFAULT_PACKED
 #define MEMFAULT_PACKED_STRUCT MEMFAULT_PACKED struct
 #define MEMFAULT_NORETURN __declspec(noreturn)
 #define MEMFAULT_NAKED_FUNC __asm
diff --git a/components/include/memfault/core/compiler_gcc.h b/components/include/memfault/core/compiler_gcc.h
index 7355e787e..bf5c3cf56 100644
--- a/components/include/memfault/core/compiler_gcc.h
+++ b/components/include/memfault/core/compiler_gcc.h
@@ -16,6 +16,7 @@ extern "C" {
 #endif
 
 #define MEMFAULT_PACKED __attribute__((packed))
+#define MEMFAULT_PACKED_ENUM enum MEMFAULT_PACKED
 #define MEMFAULT_PACKED_STRUCT struct MEMFAULT_PACKED
 //! MEMFAULT_NORETURN is only intended to be overridden in unit tests, if needed
 #if !defined(MEMFAULT_NORETURN)
diff --git a/components/include/memfault/core/compiler_iar.h b/components/include/memfault/core/compiler_iar.h
index 4721311b5..a9206279b 100644
--- a/components/include/memfault/core/compiler_iar.h
+++ b/components/include/memfault/core/compiler_iar.h
@@ -18,6 +18,7 @@ extern "C" {
 #include "intrinsics.h"
 
 #define MEMFAULT_PACKED __packed
+#define MEMFAULT_PACKED_ENUM MEMFAULT_PACKED enum
 #define MEMFAULT_PACKED_STRUCT MEMFAULT_PACKED struct
 #define MEMFAULT_NORETURN __noreturn
 #define MEMFAULT_NAKED_FUNC
diff --git a/components/include/memfault/core/compiler_ti_arm.h b/components/include/memfault/core/compiler_ti_arm.h
index 74dcbfde4..3de838f2d 100644
--- a/components/include/memfault/core/compiler_ti_arm.h
+++ b/components/include/memfault/core/compiler_ti_arm.h
@@ -18,6 +18,7 @@ extern "C" {
 #include <inttypes.h>
 
 #define MEMFAULT_PACKED __attribute__((packed))
+#define MEMFAULT_PACKED_ENUM enum MEMFAULT_PACKED
 #define MEMFAULT_PACKED_STRUCT struct MEMFAULT_PACKED
 #define MEMFAULT_NORETURN __attribute__((noreturn))
 #define MEMFAULT_NAKED_FUNC __attribute__((naked))
diff --git a/components/include/memfault/core/reboot_reason_types.h b/components/include/memfault/core/reboot_reason_types.h
old mode 100644
new mode 100755
index 12214f7e2..3af22ff9f
--- a/components/include/memfault/core/reboot_reason_types.h
+++ b/components/include/memfault/core/reboot_reason_types.h
@@ -26,7 +26,7 @@ extern "C" {
 
 //! This enum must be packed to prevent compiler optimizations in instructions which load an
 //! eMemfaultRebootReason.
-typedef enum MEMFAULT_PACKED MfltResetReason {
+typedef MEMFAULT_PACKED_ENUM MfltResetReason {
   // A reboot reason was not determined either by hardware or a previously marked reboot reason
   // This reason is classified as a crash when calculating the operational_crashfree_hours metric
   kMfltRebootReason_Unknown = 0x0000,