diff --git a/configure.ac b/configure.ac
index bfd61e32a..29ab42151 100644
--- a/configure.ac
+++ b/configure.ac
@@ -144,10 +144,11 @@ _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_SRC,-Wno-unused-parameter)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_SRC,-Wno-char-subscripts)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_SRC,-Wno-undefined-bool-conversion)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_SRC,-Qunused-arguments)
+_MY_CXX_CHECK_OPT(CFG_CXXFLAGS_SRC,-faligned-new)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_SRC,-fno-delete-null-pointer-checks)
 AC_SUBST(CFG_CXXFLAGS_SRC)
 
-# Flags for compiling Verilator parser
+# Flags for compiling Verilator parser (in addition to above CFG_CXXFLAGS_SRC)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_PARSER,-Wno-unused)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_PARSER,-Wno-parentheses-equality)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_PARSER,-Wno-null-conversion)
@@ -166,6 +167,7 @@ _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_NO_UNUSED,-Wno-uninitialized)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_NO_UNUSED,-Wno-unused-but-set-variable)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_NO_UNUSED,-Wno-unused-parameter)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_NO_UNUSED,-Wno-unused-variable)
+_MY_CXX_CHECK_OPT(CFG_CXXFLAGS_NO_UNUSED,-faligned-new)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_NO_UNUSED,-fbracket-depth=4096)
 _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_NO_UNUSED,-Qunused-arguments)
 AC_SUBST(CFG_CXXFLAGS_NO_UNUSED)