diff --git a/libsane b/libsane
index 764c78d..398fad4 160000
--- a/libsane
+++ b/libsane
@@ -1 +1 @@
-Subproject commit 764c78d146c8362a3689c0d0d5493dd82be60d95
+Subproject commit 398fad4371b01222dc47d9aa51c67d17ad5765e1
diff --git a/test/test_sane.c b/test/test_sane.c
index b2f57ed..d77787a 100644
--- a/test/test_sane.c
+++ b/test/test_sane.c
@@ -253,6 +253,23 @@ void test_fxc2dec(void)
 	dump_decimal(&d);
 	// s/b -4 0
 
+	df.style = 1;
+	df.digits = 6;
+	num2dec(&df, 0.0625, &d);
+	dump_decimal(&d);
+	// s/b -6  62500
+
+	df.style = 1;
+	df.digits = 6;
+	num2dec(&df, 1.125, &d);
+	dump_decimal(&d);
+	// s/b -6 1125000
+
+	df.style = 1;
+	df.digits = 6;
+	num2dec(&df, 1.0625, &d);
+	dump_decimal(&d);
+	// s/b  -6 1062500
 }
 
 int main(int argc, char **argv)