diff --git a/libs/js/configure.ac b/libs/js/configure.ac
index d13ed9cc06..98fdbe985b 100644
--- a/libs/js/configure.ac
+++ b/libs/js/configure.ac
@@ -35,7 +35,7 @@ AC_SUBST(JS_VERSION)
 
 CFLAGS="$CFLAGS $CONFIGURE_CFLAGS"
 CXXFLAGS="$CXXFLAGS $CONFIGURE_CXXFLAGS"
-LDFLAGS="$LDFLAGS $CONFIGURE_LDFLAGS"
+LDFLAGS="$LDFLAGS $CONFIGURE_LDFLAGS -lm"
 
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST