--- a/search.c	2017-10-19 09:58:03.047699012 +0200
+++ b/search.c	2017-10-19 09:59:08.222540889 +0200
@@ -360,6 +360,10 @@ void search_file(const char *file_full_p
 #if HAVE_FOPENCOOKIE
             log_debug("%s is a compressed file. stream searching", file_full_path);
             fp = decompress_open(fd, "r", zip_type);
+            if (fp == NULL) {
+                log_err("Cannot decompress zipped file %s", file_full_path);
+                goto cleanup;
+            }
             search_stream(fp, file_full_path);
             fclose(fp);
 #else