--- ./src/backend/utils/misc/ps_status.c.ORIGIN	2018-02-27 18:23:39 -0600
+++ ./src/backend/utils/misc/ps_status.c	2018-02-27 18:23:50 -0600
@@ -294,7 +294,7 @@
 	 */
 #define PROGRAM_NAME_PREFIX ""
 #else
-#define PROGRAM_NAME_PREFIX "postgres: "
+#define PROGRAM_NAME_PREFIX "postgres "
 #endif
 
 	if (*cluster_name == '\0')