diff --git a/src/cw/Makefile b/src/cw/Makefile
index 1542ca18..eea89a78 100644
--- a/src/cw/Makefile
+++ b/src/cw/Makefile
@@ -213,6 +213,7 @@ CONNOBJS= conn_create.o \
 
 BSTROBJS= bstr_create.o \
 	bstr_create_from_cfgstr.o \
+	bstr16_create_from_cfgstr.o \
 	bstr_replace.o \
 	bstr_to_str.o \
 	bstr16cfgstr.o \
diff --git a/src/cw/bstr.h b/src/cw/bstr.h
index 5a552341..8290385a 100644
--- a/src/cw/bstr.h
+++ b/src/cw/bstr.h
@@ -141,6 +141,7 @@ static inline uint8_t * bstr16_create(uint8_t *data, uint16_t len)
 }
 
 uint8_t * bstr16_create_from_str(const char *s);
+extern uint8_t * bstr16_create_from_cfgstr(const char * s);
 
 
 /**