diff --git a/src/compiler/nir/nir_defines.h b/src/compiler/nir/nir_defines.h
index eb68ed92ace..e14e89e75bd 100644
--- a/src/compiler/nir/nir_defines.h
+++ b/src/compiler/nir/nir_defines.h
@@ -11,6 +11,10 @@
 #ifndef NIR_DEFINES_H
 #define NIR_DEFINES_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** NIR sized and unsized types
  *
  * The values in this enum are carefully chosen so that the sized type is
@@ -58,4 +62,8 @@ nir_alu_type_get_base_type(nir_alu_type type)
    return (nir_alu_type)(type & NIR_ALU_TYPE_BASE_TYPE_MASK);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif