diff --git a/hw/bsp/max32690/family.cmake b/hw/bsp/max32690/family.cmake
index 5c470f86b..d7a562956 100644
--- a/hw/bsp/max32690/family.cmake
+++ b/hw/bsp/max32690/family.cmake
@@ -44,7 +44,7 @@ function(add_board_target BOARD_TARGET)
   endif ()
 
   # Startup & Linker script
-  set(STARTUP_FILE_GNU ${MAX32_CMSIS}/Device/Maxim/MAX32690/Source/GCC/startup_max32690.s)
+  set(STARTUP_FILE_GNU ${MAX32_CMSIS}/Device/Maxim/MAX32690/Source/GCC/startup_max32690.S)
   set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
 
   set(PERIPH_SRC ${MAX32_PERIPH}/Source)
diff --git a/hw/bsp/max32690/family.mk b/hw/bsp/max32690/family.mk
index 8b9fbc175..9360a07c6 100644
--- a/hw/bsp/max32690/family.mk
+++ b/hw/bsp/max32690/family.mk
@@ -11,7 +11,7 @@ CPU_CORE ?= cortex-m4
 PORT ?= 0
 
 # GCC
-SRC_S_GCC += $(MAX32_CMSIS)/Device/Maxim/MAX32690/Source/GCC/startup_max32690.s
+SRC_S_GCC += $(MAX32_CMSIS)/Device/Maxim/MAX32690/Source/GCC/startup_max32690.S
 LD_FILE = $(FAMILY_PATH)/max32690.ld
 
 # --------------