diff --git a/share/mk/src.libnames.mk b/share/mk/src.libnames.mk
index 14489a8..c993f7c 100644
--- a/share/mk/src.libnames.mk
+++ b/share/mk/src.libnames.mk
@@ -245,7 +245,7 @@ _DP_radius=	crypto
 .endif
 _DP_procstat=	kvm util elf
 .if ${MK_CXX} == "yes"
-.if ${MK_LIBCPLUSPLUS} != "no"
+.if ${COMPILER_TYPE} == "clang"
 _DP_proc=	cxxrt
 .else
 _DP_proc=	supcplusplus