diff --git a/include/toolchain/common.h b/include/toolchain/common.h
index 4b9d1f46b66..6b6df0f8d92 100644
--- a/include/toolchain/common.h
+++ b/include/toolchain/common.h
@@ -26,6 +26,14 @@
 #define TASK_ENTRY_CPP  extern "C"
 #endif
 
+#ifndef ZRESTRICT
+#ifndef __cplusplus
+#define ZRESTRICT restrict
+#else
+#define ZRESTRICT
+#endif
+#endif
+
 /*
  * Generate a reference to an external symbol.
  * The reference indicates to the linker that the symbol is required
diff --git a/include/toolchain/gcc.h b/include/toolchain/gcc.h
index cc2fdc7dc9b..4f1bd31dd01 100644
--- a/include/toolchain/gcc.h
+++ b/include/toolchain/gcc.h
@@ -63,6 +63,12 @@
 #define BUILD_ASSERT(EXPR, MSG...)
 #endif
 
+#ifdef __cplusplus
+#define ZRESTRICT __restrict
+#else
+#define ZRESTRICT restrict
+#endif
+
 #include <toolchain/common.h>
 #include <stdbool.h>