diff --git a/src/configure.in b/src/configure.in
index 0eaef1ae840aa20a12e67dd2a15a81969f835730..b8e1cf709c97492805210eb719c678a5fd85f59c 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1,4 +1,4 @@
-AC_REVISION("$Id: configure.in,v 1.153 1998/07/01 20:21:33 grubba Exp $")
+AC_REVISION("$Id: configure.in,v 1.154 1998/07/03 11:29:00 grubba Exp $")
 AC_INIT(interpret.c)
 AC_CONFIG_HEADER(machine.h)
 
@@ -742,6 +742,10 @@ int main()
         LIBS="${OLDLIBS}"
       ;;
 
+      xAIX*)
+        LIBS="${OLDLIBS} -lpthreads"
+      ;;
+
       *)
         LIBS="${OLDLIBS} -lpthread"
       ;;