diff --git a/src/etnaviv/isa/isa.h b/src/etnaviv/isa/isa.h
index 6133220edcf..07e34d54d64 100644
--- a/src/etnaviv/isa/isa.h
+++ b/src/etnaviv/isa/isa.h
@@ -10,6 +10,14 @@
 
 struct etna_inst;
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 void isa_assemble_instruction(uint32_t *out, const struct etna_inst *instr);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _ISA_H_ */