diff --git a/devel/llvm-devel/Makefile b/devel/llvm-devel/Makefile
index f5c7586b782c..baff63f69382 100644
--- a/devel/llvm-devel/Makefile
+++ b/devel/llvm-devel/Makefile
@@ -541,6 +541,7 @@ build-plist:
 	    ${GREP} -v '[/-]lit$$' | ${GREP} -v 'FileCheck$$' | \
 	    ${GREP} -v man/man1 | ${SED} -e 's|${STAGEDIR}${PREFIX}/||' \
 	    -e 's|${PYTHON_SITELIBDIR:C|${PREFIX}/||}|%%PYTHON_SITELIBDIR%%|' \
+	    -e 's|${PYTHON_EXT_SUFFIX:C/\./\\./g}|%%PYTHON_EXT_SUFFIX%%|' \
 	    -e 's|${PORTVERSION}|%%PORTVERSION%%|' \
 	    -e 's|release.cmake|%%CMAKE_BUILD_TYPE%%.cmake|' \
 	    -e 's|${LLVM_RELEASE:C/\./\\./g}|%%LLVM_RELEASE%%|' \