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-rw-r--r--src/common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common.c b/src/common.c
index d2bbc1c6..0395f71c 100644
--- a/src/common.c
+++ b/src/common.c
@@ -561,7 +561,7 @@ _unique_filename(const char* filename)
             return NULL;
         }
 
-        unique = g_strdup_printf("%s.%u", filename, i);
+        unique = g_strdup_printf("%s-%u", filename, i);
         if (!unique) {
             return NULL;
         }