diff --git a/include/tpax/tpax.h b/include/tpax/tpax.h
index ac7745a..6a43415 100644
--- a/include/tpax/tpax.h
+++ b/include/tpax/tpax.h
@@ -180,7 +180,7 @@ tpax_api int  tpax_io_create_tmpfs_snapshot (const struct tpax_driver_ctx *, int
                                              const struct stat *);
 
 /* package info */
-tpax_api const struct tpax_source_version * tpax_source_version(void);
+tpax_api const struct tpax_source_version * tpax_api_source_version(void);
 
 #ifdef __cplusplus
 }
diff --git a/src/driver/tpax_amain.c b/src/driver/tpax_amain.c
index 0ec20f4..61f53d1 100644
--- a/src/driver/tpax_amain.c
+++ b/src/driver/tpax_amain.c
@@ -38,7 +38,7 @@ static ssize_t tpax_version(struct tpax_driver_ctx * dctx, int fdout)
 	const struct tpax_source_version * verinfo;
 	const char * const * verclr;
 
-	verinfo = tpax_source_version();
+	verinfo = tpax_api_source_version();
 	verclr  = isatty(fdout) ? tpax_ver_color : tpax_ver_plain;
 
 	return tpax_dprintf(
diff --git a/src/driver/tpax_driver_ctx.c b/src/driver/tpax_driver_ctx.c
index f573523..8ab684d 100644
--- a/src/driver/tpax_driver_ctx.c
+++ b/src/driver/tpax_driver_ctx.c
@@ -609,7 +609,7 @@ void tpax_lib_free_driver_ctx(struct tpax_driver_ctx * ctx)
 	}
 }
 
-const struct tpax_source_version * tpax_source_version(void)
+const struct tpax_source_version * tpax_api_source_version(void)
 {
 	return &tpax_src_version;
 }