1 files changed, 1 insertions, 1 deletions
diff --git a/dds.c b/dds.c
index 8002d78..fe6a35d 100644
--- a/dds.c
+++ b/dds.c
@@ -36,7 +36,7 @@ void dds_setamplitude(float millivolts)
 	char scalebuff[64];
 
 	if (read(scalefd, scalebuff, sizeof(scalebuff))) {
-		sscanf(scalebuff, "%f\n", &scale);
+		sscanf(scalebuff, "%10f\n", &scale); // the string should be ?.??? but round up the width a bit just in case
 	}
 
 	if (scale == 0) {