diff --git a/docs/NEWS.md b/docs/NEWS.md
index 102b391..1ce4ae2 100644
--- a/docs/NEWS.md
+++ b/docs/NEWS.md
@@ -1,3 +1,7 @@
+### UNRELEASED
+
+ * *fix:* correct **--extra-display** process title truncation
+
 ### 1.10.2 - 22 November 2025
 
  * *i18n:* Finnish translations updated
diff --git a/src/pv/display.c b/src/pv/display.c
index 8c0a176..813076a 100644
--- a/src/pv/display.c
+++ b/src/pv/display.c
@@ -1339,7 +1339,7 @@ void pv_display(pvprogramstatus_t status, readonly_pvcontrol_t control, pvtransi
 	    && (NULL != extra_display)
 	    && (NULL != extra_display->display_buffer)
 	    ) {
-		setproctitle("%s", extra_display->display_buffer);
+		setproctitle("%s -- %s", PACKAGE_NAME, extra_display->display_buffer);
 		extra_display->output_produced = true;
 		debug("%s: [%s]", "processtitle display", extra_display->display_buffer);
 	}
diff --git a/src/pv/proctitle.c b/src/pv/proctitle.c
index bdce6e4..edfee20 100644
--- a/src/pv/proctitle.c
+++ b/src/pv/proctitle.c
@@ -110,7 +110,7 @@ void setproctitle(const char *format, ...)
 	if (length > space_available - 2)
 		length = space_available - 2;
 
-	(void) pv_snprintf(base_argv[0], space_available, "%s -- %s", PACKAGE_NAME, title);
+	(void) pv_snprintf(base_argv[0], space_available, "%s", title);
 	if (space_available > length)
 		memset(base_argv[0] + length, 0, space_available - length);
 }