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-rw-r--r--uemis-downloader.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/uemis-downloader.c b/uemis-downloader.c
index d14e6e7c6..95cebe492 100644
--- a/uemis-downloader.c
+++ b/uemis-downloader.c
@@ -213,7 +213,7 @@ static bool uemis_init(const char *path)
/* let's check if this is indeed a Uemis DC */
reqtxt_path = build_filename(path, "req.txt");
reqtxt_file = subsurface_open(reqtxt_path, O_RDONLY, 0666);
- if (!reqtxt_file) {
+ if (reqtxt_file < 0) {
#if UEMIS_DEBUG & 1
fprintf(debugfile, ":EE req.txt can't be opened\n");
#endif