diff --git a/assets/build/target.init.yaml b/assets/build/target.init.yaml
index 474661d..c5902cd 100644
--- a/assets/build/target.init.yaml
+++ b/assets/build/target.init.yaml
@@ -21,6 +21,7 @@ ccflags: [
 cxxflags: [
   "-fno-exceptions",
   "-fno-rtti",
+  "-isystem", "${source_root}/sysroot/include/c++/v1",
 ]
 
 ldflags: [
@@ -36,4 +37,4 @@ ldflags: [
 
 libs: [
   "${target_dir}/crt0.o",
-]
\ No newline at end of file
+]
diff --git a/assets/build/target.user.yaml b/assets/build/target.user.yaml
index 99dfb00..8d9f02d 100644
--- a/assets/build/target.user.yaml
+++ b/assets/build/target.user.yaml
@@ -21,6 +21,7 @@ ccflags: [
 cxxflags: [
   "-fno-exceptions",
   "-fno-rtti",
+  "-isystem", "${source_root}/sysroot/include/c++/v1",
   ]
 
 ldflags: [