diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 3076dac9f54..2b308a58119 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2020-01-30  Alan Modra  <amodra@gmail.com>
+
+	* tic4x-dis.c (tic4x_dp): Make unsigned.
+
 2020-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 	    Jan Beulich  <jbeulich@suse.com>
 
diff --git a/opcodes/tic4x-dis.c b/opcodes/tic4x-dis.c
index 33d75c878b8..a99b52a7ad0 100644
--- a/opcodes/tic4x-dis.c
+++ b/opcodes/tic4x-dis.c
@@ -52,7 +52,7 @@ typedef enum
 indirect_t;
 
 static unsigned long tic4x_version = 0;
-static int tic4x_dp = 0;
+static unsigned int tic4x_dp = 0;
 static tic4x_inst_t **optab = NULL;
 static tic4x_inst_t **optab_special = NULL;
 static const char *registernames[REG_TABLE_SIZE];