diff --git a/configure b/configure
index b8baf4f702..dd09f1a18f 100755
--- a/configure
+++ b/configure
@@ -2083,7 +2083,16 @@ else
   for pthread_lib in $PTHREADLIBS_LIST; do
     if compile_prog "" "$pthread_lib" ; then
       pthread=yes
-      LIBS="$pthread_lib $LIBS"
+      found=no
+      for lib_entry in $LIBS; do
+        if test "$lib_entry" = "$pthread_lib"; then
+          found=yes
+          break
+        fi
+      done
+      if test "$found" = "no"; then
+        LIBS="$pthread_lib $LIBS"
+      fi
       break
     fi
   done