diff --git a/src/ebusd/main.cpp b/src/ebusd/main.cpp
index 14daed47..8a5063cf 100644
--- a/src/ebusd/main.cpp
+++ b/src/ebusd/main.cpp
@@ -247,6 +247,10 @@ error_t parse_opt(int key, char *arg, struct argp_state *state)
 			argp_error(state, "cannot combine readonly with scanconfig/answer/generatesyn");
 			return EINVAL;
 		}
+		if (opt->pollInterval == 0) {
+			argp_error(state, "scanconfig without polling may lead to invalid files included for certain products!");
+			return EINVAL;
+		}
 		if (arg != NULL) {
 			if (arg[0] == 0 || strcmp("none", arg) == 0) {
 				opt->initialScan = ESC;
@@ -277,6 +281,10 @@ error_t parse_opt(int key, char *arg, struct argp_state *state)
 			argp_error(state, "invalid pollinterval");
 			return EINVAL;
 		}
+		if (opt->pollInterval == 0 && opt->scanConfig) {
+			argp_error(state, "scanconfig without polling may lead to invalid files included for certain products!");
+			return EINVAL;
+		}
 		break;
 
 	// eBUS options: