diff --git a/toolchain_IARARM.cmake b/toolchain_IARARM.cmake
index 27f2bf4..67d97e3 100644
--- a/toolchain_IARARM.cmake
+++ b/toolchain_IARARM.cmake
@@ -49,6 +49,7 @@
         $<$<COMPILE_LANGUAGE:C,CXX>:-DNO_TYPEOF>
         $<$<COMPILE_LANGUAGE:C,CXX>:-D_NO_DEFINITIONS_IN_HEADER_FILES>
         $<$<COMPILE_LANGUAGE:C,CXX>:--diag_suppress=Pe546,Pe940,Pa082,Pa084>
+        $<$<COMPILE_LANGUAGE:C,CXX>:--no_path_in_file_macros>
         $<$<COMPILE_LANGUAGE:C,CXX,ASM>:--fpu=none>
         $<$<AND:$<COMPILE_LANGUAGE:C,CXX,ASM>,$<BOOL:${TFM_DEBUG_SYMBOLS}>,$<CONFIG:Release,MinSizeRel>>:-r>
     )