1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 8dfc37a9..7372b5d8 100755
--- a/configure
+++ b/configure
@@ -267,7 +267,7 @@ PACKAGE_VERSION=
 PACKAGE_STRING=
 PACKAGE_BUGREPORT=
 
-ac_unique_file="src/roff/groff/groff.cc"
+ac_unique_file="src/roff/groff/groff.cpp"
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>