diff --git a/configure.in b/configure.in
index 9a0c91d..1004a0a 100644
--- a/configure.in
+++ b/configure.in
@@ -28,7 +28,7 @@ LIBS="$LIBS -lsocket"
 ])
 
 # Solaris has inet_addr in -lnsl.
-AC_SEARCH_LIB(inet_addr, nsl)
+AC_SEARCH_LIBS(inet_addr, nsl)
 
 AC_SUBST(SHLIB_SUFFIX_NAME)
 AC_SUBST(SHLIB_LDFLAGS)