diff --git a/libobs/util/dstr.c b/libobs/util/dstr.c
index 43dd7edc8..bc2722ae8 100644
--- a/libobs/util/dstr.c
+++ b/libobs/util/dstr.c
@@ -528,6 +528,9 @@ void dstr_replace(struct dstr *str, const char *find,
 	size_t find_len, replace_len;
 	char *temp;
 
+	if (dstr_isempty(str))
+		return;
+
 	if (!replace)
 		replace = "";