diff --git a/CMakeLists.txt b/CMakeLists.txt
index 620046b6e2..c0a451b565 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -151,18 +151,18 @@ function(mbed_generate_bin_hex target)
     get_property(elf_to_bin GLOBAL PROPERTY ELF2BIN)
     if(MBED_TOOLCHAIN STREQUAL "GCC_ARM")
         set(CMAKE_POST_BUILD_COMMAND
-            COMMAND ${elf_to_bin} -O binary $<TARGET_FILE:${target}> $<TARGET_FILE:${target}>.bin
-            COMMAND ${CMAKE_COMMAND} -E echo "-- built: $<TARGET_FILE:${target}>.bin"
-            COMMAND ${elf_to_bin} -O ihex $<TARGET_FILE:${target}> $<TARGET_FILE:${target}>.hex
-            COMMAND ${CMAKE_COMMAND} -E echo "-- built: $<TARGET_FILE:${target}>.hex"
+            COMMAND ${elf_to_bin} -O binary $<TARGET_FILE:${target}> ${CMAKE_BINARY_DIR}/${target}.bin
+            COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${CMAKE_BINARY_DIR}/${target}.bin"
+            COMMAND ${elf_to_bin} -O ihex $<TARGET_FILE:${target}> ${CMAKE_BINARY_DIR}/${target}.hex
+            COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${CMAKE_BINARY_DIR}/${target}.hex"
         )
     elseif(MBED_TOOLCHAIN STREQUAL "ARM")
         get_property(mbed_studio_arm_compiler GLOBAL PROPERTY MBED_STUDIO_ARM_COMPILER)
         set(CMAKE_POST_BUILD_COMMAND
-            COMMAND ${elf_to_bin} ${mbed_studio_arm_compiler} --bin  -o $<TARGET_FILE:${target}>.bin $<TARGET_FILE:${target}>
-            COMMAND ${CMAKE_COMMAND} -E echo "-- built: $<TARGET_FILE:${target}>.bin"
-            COMMAND ${elf_to_bin} ${mbed_studio_arm_compiler} --i32combined  -o $<TARGET_FILE:${target}>.hex $<TARGET_FILE:${target}>
-            COMMAND ${CMAKE_COMMAND} -E echo "-- built: $<TARGET_FILE:${target}>.hex"
+            COMMAND ${elf_to_bin} ${mbed_studio_arm_compiler} --bin  -o ${CMAKE_BINARY_DIR}/${target}.bin $<TARGET_FILE:${target}>
+            COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${target}.bin"
+            COMMAND ${elf_to_bin} ${mbed_studio_arm_compiler} --i32combined  -o ${CMAKE_BINARY_DIR}/${target}.hex $<TARGET_FILE:${target}>
+            COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${CMAKE_BINARY_DIR}/${target}.hex"
         )
     endif()
     add_custom_command(