diff --git a/src/settings/plugins/ifcfg-rh/writer.c b/src/settings/plugins/ifcfg-rh/writer.c
index d5f26a14b0..27f1c70599 100644
--- a/src/settings/plugins/ifcfg-rh/writer.c
+++ b/src/settings/plugins/ifcfg-rh/writer.c
@@ -2530,7 +2530,7 @@ escape_id (const char *id)
 	while (*p) {
 		if (*p == ' ')
 			*p = '_';
-		else if (strchr ("\\][|/=()!", *p))
+		else if (strchr ("\\][|/=()!:", *p))
 			*p = '-';
 		p++;
 	}