diff --git a/src/gallium/auxiliary/gallivm/lp_bld_coro.h b/src/gallium/auxiliary/gallivm/lp_bld_coro.h
index 2fbaecc3152..5421d0926ca 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_coro.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_coro.h
@@ -31,6 +31,10 @@
 #include "gallivm/lp_bld.h"
 #include "gallivm/lp_bld_intr.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct gallivm_state;
 LLVMValueRef lp_build_coro_id(struct gallivm_state *gallivm);
 
@@ -84,4 +88,8 @@ static inline void lp_build_coro_add_presplit(LLVMValueRef coro)
 #endif
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif