diff --git a/aclocal.m4 b/aclocal.m4
index c42a31fb6..f417fce8c 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -453,14 +453,14 @@ dnl
 	qtsrcdir="`(cd $srcdir; pwd)`/qt"
 	threads_package=COOP
 	cy_cv_threads_cflags="-I$qtsrcdir -I../qt"
-	cy_cv_threads_libs="../qt/libqt.a"
+	cy_cv_threads_libs="../qt/libqthreads.a"
      fi
   else
      if test -f $use_threads/qt.c; then
 	# FIXME seems as though we should try to use an installed qt here.
 	threads_package=COOP
 	cy_cv_threads_cflags="-I$use_threads -I../qt"
-	cy_cv_threads_libs="../qt/libqt.a"
+	cy_cv_threads_libs="../qt/libqthreads.a"
      fi
   fi
   if test "$use_threads" = pthreads; then
diff --git a/configure b/configure
index de74906ba..3c6cc7be6 100755
--- a/configure
+++ b/configure
@@ -3968,14 +3968,14 @@ if test "$use_threads" != no; then
 	qtsrcdir="`(cd $srcdir; pwd)`/qt"
 	threads_package=COOP
 	cy_cv_threads_cflags="-I$qtsrcdir -I../qt"
-	cy_cv_threads_libs="../qt/libqt.a"
+	cy_cv_threads_libs="../qt/libqthreads.a"
      fi
   else
      if test -f $use_threads/qt.c; then
 	# FIXME seems as though we should try to use an installed qt here.
 	threads_package=COOP
 	cy_cv_threads_cflags="-I$use_threads -I../qt"
-	cy_cv_threads_libs="../qt/libqt.a"
+	cy_cv_threads_libs="../qt/libqthreads.a"
      fi
   fi
   if test "$use_threads" = pthreads; then
@@ -4258,7 +4258,7 @@ esac
 
 
 if $threads_enabled; then
-   target_libs=libqt.a
+   target_libs=libqthreads.a
 else
    target_libs=
 fi
diff --git a/configure.in b/configure.in
index 01afc7503..d54d6162d 100644
--- a/configure.in
+++ b/configure.in
@@ -414,7 +414,7 @@ changequote([, ])
 
 
 if $threads_enabled; then
-   target_libs=libqt.a
+   target_libs=libqthreads.a
 else
    target_libs=
 fi
diff --git a/threads.m4 b/threads.m4
index 16d3bf121..a803989d3 100644
--- a/threads.m4
+++ b/threads.m4
@@ -25,14 +25,14 @@ dnl
 	qtsrcdir="`(cd $srcdir; pwd)`/qt"
 	threads_package=COOP
 	cy_cv_threads_cflags="-I$qtsrcdir -I../qt"
-	cy_cv_threads_libs="../qt/libqt.a"
+	cy_cv_threads_libs="../qt/libqthreads.a"
      fi
   else
      if test -f $use_threads/qt.c; then
 	# FIXME seems as though we should try to use an installed qt here.
 	threads_package=COOP
 	cy_cv_threads_cflags="-I$use_threads -I../qt"
-	cy_cv_threads_libs="../qt/libqt.a"
+	cy_cv_threads_libs="../qt/libqthreads.a"
      fi
   fi
   if test "$use_threads" = pthreads; then