diff --git a/libs/spandsp/configure.gnu b/libs/spandsp/configure.gnu
index d2e8c96d1c..b2c5d1bd26 100755
--- a/libs/spandsp/configure.gnu
+++ b/libs/spandsp/configure.gnu
@@ -1,2 +1,2 @@
 #! /bin/sh
-./configure "`echo $@ | sed 's| -xC | |'`" --disable-shared --with-pic --enable-builtin-tiff
+./configure "`echo $@ | sed 's| -Xc | |'`" --disable-shared --with-pic --enable-builtin-tiff