diff --git a/libs/libxx/libcxxabi/CMakeLists.txt b/libs/libxx/libcxxabi/CMakeLists.txt
index ab747e6ee31..9ffc4f42946 100644
--- a/libs/libxx/libcxxabi/CMakeLists.txt
+++ b/libs/libxx/libcxxabi/CMakeLists.txt
@@ -114,7 +114,7 @@ if(CONFIG_LIBCXXABI)
   # Fix compilation error on ARM32:libcxxabi/src/cxa_personality.cpp:594:22:
   # error: '_URC_FATAL_PHASE1_ERROR' was not declared in this scope 594 |
   # results.reason = _URC_FATAL_PHASE1_ERROR;
-  if(CONFIG_ARCH_ARM)
+  if(CONFIG_ARCH_ARM AND NOT CONFIG_ARCH_TOOLCHAIN_CLANG)
     target_compile_definitions(libcxxabi
                                PRIVATE _URC_FATAL_PHASE2_ERROR=_URC_FAILURE)
     target_compile_definitions(libcxxabi
diff --git a/libs/libxx/libcxxabi/Make.defs b/libs/libxx/libcxxabi/Make.defs
index 362a7a575fc..ef8eb96ebdc 100644
--- a/libs/libxx/libcxxabi/Make.defs
+++ b/libs/libxx/libcxxabi/Make.defs
@@ -76,7 +76,9 @@ endif
 # libcxxabi/src/cxa_personality.cpp:594:22: error: '_URC_FATAL_PHASE1_ERROR' was not declared in this scope
 #   594 |     results.reason = _URC_FATAL_PHASE1_ERROR;
 ifeq ($(CONFIG_ARCH_ARM),y)
-CXXFLAGS += -D_URC_FATAL_PHASE2_ERROR=_URC_FAILURE -D_URC_FATAL_PHASE1_ERROR=_URC_FAILURE
+	ifeq ($(CONFIG_ARCH_TOOLCHAIN_CLANG),)
+		CXXFLAGS += -D_URC_FATAL_PHASE2_ERROR=_URC_FAILURE -D_URC_FATAL_PHASE1_ERROR=_URC_FAILURE
+	endif
 endif
 
 CXXFLAGS += -DLIBCXXABI_NON_DEMANGLING_TERMINATE