diff --git a/arch/arm/src/s32k1xx/s32K11x/Make.defs b/arch/arm/src/s32k1xx/s32k11x/Make.defs
similarity index 100%
rename from arch/arm/src/s32k1xx/s32K11x/Make.defs
rename to arch/arm/src/s32k1xx/s32k11x/Make.defs
diff --git a/arch/arm/src/s32k1xx/s32K14x/Make.defs b/arch/arm/src/s32k1xx/s32k14x/Make.defs
similarity index 100%
rename from arch/arm/src/s32k1xx/s32K14x/Make.defs
rename to arch/arm/src/s32k1xx/s32k14x/Make.defs