diff --git a/devel/sol2/Makefile b/devel/sol2/Makefile
index cf0a23a4465e..cd3e030db86a 100644
--- a/devel/sol2/Makefile
+++ b/devel/sol2/Makefile
@@ -1,35 +1,35 @@
 PORTNAME=	sol2
 DISTVERSIONPREFIX=	v
 DISTVERSION=	4.0.0-alpha
 PORTREVISION=	2
 CATEGORIES=	devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ header-only library binding to Lua
 WWW=		https://github.com/ThePhD/sol2
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES=		cmake:testing compiler:c++17-lang lua:run
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ThePhD
 
 CMAKE_TESTING_ON=	SOL2_TESTS
 
 NO_ARCH=	yes
 
 .include <bsd.port.pre.mk>
 
 .if ${CHOSEN_COMPILER_TYPE} == clang && \
 	${COMPILER_VERSION} >= 180 && ${COMPILER_VERSION} < 190
 EXTRA_PATCHES=	${PATCHDIR}/extra-patch-include_sol_function__types__stateless.hpp
 .endif
 
 .if ${CHOSEN_COMPILER_TYPE} == clang && \
 	${COMPILER_VERSION} >= 191
-EXTRA_PATCHES=	${PATCHDIR}/extra-patch-include_sol_optional__implementation.hp
+EXTRA_PATCHES=	${PATCHDIR}/extra-patch-include_sol_optional__implementation.hpp
 .endif
 
 .include <bsd.port.post.mk>