diff --git a/urjtag/include/jtag.h b/urjtag/include/jtag.h
index be3048c7..23fc8e80 100644
--- a/urjtag/include/jtag.h
+++ b/urjtag/include/jtag.h
@@ -53,7 +53,7 @@ int detect_parts (chain_t *chain, const char *db_path);
 int manual_add (chain_t *chain, int instr_len);
 int detect_register_size (chain_t *chain);
 void discovery (chain_t *chain);
-void idcode (chain_t *chain, unsigned int bytes);
+void urj_tap_idcode (chain_t *chain, unsigned int bytes);
 
 void readmem (bus_t *bus, FILE *f, uint32_t addr, uint32_t len);
 void writemem (bus_t *bus, FILE *f, uint32_t addr, uint32_t len);
diff --git a/urjtag/src/cmd/idcode.c b/urjtag/src/cmd/idcode.c
index b9ee9710..9189b805 100644
--- a/urjtag/src/cmd/idcode.c
+++ b/urjtag/src/cmd/idcode.c
@@ -49,7 +49,7 @@ cmd_idcode_run (chain_t *chain, char *params[])
         return 1;
 
     printf (_("Reading %d bytes if idcode\n"), bytes);
-    idcode (chain, bytes);
+    urj_tap_idcode (chain, bytes);
     return 1;
 }
 
diff --git a/urjtag/src/tap/idcode.c b/urjtag/src/tap/idcode.c
index 249512ec..363566db 100644
--- a/urjtag/src/tap/idcode.c
+++ b/urjtag/src/tap/idcode.c
@@ -33,7 +33,7 @@
 #include "jtag.h"
 
 void
-idcode (chain_t *chain, unsigned int bytes)
+urj_tap_idcode (chain_t *chain, unsigned int bytes)
 {
     int i;
     int hit = 0;