diff --git a/funcs/func_strings.c b/funcs/func_strings.c
index 54730e1089..aaa4b0a97c 100644
--- a/funcs/func_strings.c
+++ b/funcs/func_strings.c
@@ -482,9 +482,10 @@ static int acf_sprintf(struct ast_channel *chan, const char *cmd, char *data, ch
 					i++;
 				state = SPRINTF_CONVERSION;
 				break;
-			} else if (strchr("Lqjzt", arg.format[i]))
+			} else if (strchr("Lqjzt", arg.format[i])) {
 				state = SPRINTF_CONVERSION;
 				break;
+			}
 			state = SPRINTF_CONVERSION;
 		case SPRINTF_CONVERSION:
 			if (strchr("diouxXc", arg.format[i])) {