diff --git a/gas/ChangeLog b/gas/ChangeLog
index 001af54cb5f..ddce1819c30 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-02-26  Alan Modra  <amodra@gmail.com>
+
+	* config/tc-arm.c (reg_expected_msgs[REG_TYPE_RNB]): Don't use
+	N_() on empty string.
+
 2020-02-26  Alan Modra  <amodra@gmail.com>
 
 	* read.c (read_a_source_file): Call strncpy with length one
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index cfbee7e59da..30c69fb7639 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -730,7 +730,7 @@ const char * const reg_expected_msgs[] =
   [REG_TYPE_MMXWCG] = N_("iWMMXt scalar register expected"),
   [REG_TYPE_XSCALE] = N_("XScale accumulator register expected"),
   [REG_TYPE_MQ]	    = N_("MVE vector register expected"),
-  [REG_TYPE_RNB]    = N_("")
+  [REG_TYPE_RNB]    = ""
 };
 
 /* Some well known registers that we refer to directly elsewhere.  */