diff --git a/libraries/AP_Param/tools/eedump_apparam.c b/libraries/AP_Param/tools/eedump_apparam.c
index bbe5ba9bb9..3da9cccc69 100644
--- a/libraries/AP_Param/tools/eedump_apparam.c
+++ b/libraries/AP_Param/tools/eedump_apparam.c
@@ -8,7 +8,7 @@
 
 uint8_t eeprom[0x1000];
 
-struct PACKED EEPROM_header {
+struct EEPROM_header {
     uint8_t magic[2];
     uint8_t revision;
     uint8_t spare;