diff --git a/main/term.c b/main/term.c
index e92a27077f2bf4727d9afd0e428a9b7fe203e001..bdafa49e2035d7b8c01d46f20525b8f5b10651df 100644
--- a/main/term.c
+++ b/main/term.c
@@ -264,31 +264,28 @@ char *term_prompt(char *outbuf, const char *inbuf, int maxout)
 	return outbuf;
 }
 
-
 /* filter escape sequences */
 void term_filter_escapes(char *line)
  {
 	 int i;
    
-	 for (i=0; i < strlen(line); i++) {
-		 if (line[i] == ESC) {					 
-			 if (line[i+1] == '\x5b') {
-				 switch (line[i+2]) {
-				 	case '\x30':
-						 break;
-					 case '\x31':
-						 break;
-					 case '\x33':
-						 break;
-					 default:
-						 /* replace ESC with a space */
-						 line[i] = ' ';
-				 }
-			 } else {
-				 /* replace ESC with a space */
-				 line[i] = ' ';
-			 }
-		 } 
+	 for (i = 0; i < strlen(line); i++) {
+		if (line[i] != ESC)
+			continue;
+		if (line[i + 1] == '\x5b') {
+			switch (line[i + 2]) {
+		 	case '\x30':
+			case '\x31':
+			case '\x33':
+				break;
+			default:
+				/* replace ESC with a space */
+				line[i] = ' ';
+			}
+		} else {
+			/* replace ESC with a space */
+			line[i] = ' ';
+		}
 	 }
  }