diff --git a/lib/Makefile b/lib/Makefile
index cd1476a62d3..6135cff10c1 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -182,7 +182,7 @@ SUBDIR.${MK_LDNS}+=	libldns
 SUBDIR.${MK_STATS}+=	libstats
 
 # The libraries under libclang_rt can only be built by clang.
-.if ${COMPILER_TYPE} == "clang"
+.if ${COMPILER_TYPE} == "clang" && ${MK_CLANG} != "no"
 _libclang_rt=	libclang_rt
 .elif (${MK_ASAN} != "no" || ${MK_UBSAN} != "no") && make(all)
 .error Requested build with sanitizers but cannot build runtime libraries!