diff --git a/lang/solidity/Makefile b/lang/solidity/Makefile
index 0b72c964c980..17fe363ea043 100644
--- a/lang/solidity/Makefile
+++ b/lang/solidity/Makefile
@@ -32,6 +32,10 @@ Z3_CMAKE_OFF=	USE_Z3
 CVC4_CMAKE_OFF=	USE_CVC4
 CVC4_BROKEN=	solidity uses cvc4 which has been succeeded by cvc5
 
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400079
+CXXFLAGS=	-Wno-unqualified-std-cast-call
+.endif
+
 CMAKE_ARGS+=	-DUSE_LD_GOLD=OFF -DTESTS=OFF \
 		-DRANGE_V3_INCLUDE_DIR="${LOCALBASE}/include" \
 		-DJSONCPP_INCLUDE_DIR:STRING="${LOCALBASE}/include/jsoncpp" \