diff --git a/share/mk/bsd.dep.mk b/share/mk/bsd.dep.mk
index e13ecaa30..bff90b066 100644
--- a/share/mk/bsd.dep.mk
+++ b/share/mk/bsd.dep.mk
@@ -7,8 +7,8 @@ realdepend:	beforedepend .depend afterdepend
 beforedepend .depend afterdepend: # ensure existence
 
 ##### Default values
-MKDEP?=			mkdep
-MKDEPCXX?=		mkdep
+MKDEP?=			CC=${CC:Q} mkdep
+MKDEPCXX?=		CC=${CXX:Q} mkdep
 MKDEP_SUFFIXES?=	.o
 
 ##### Build rules
diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index 59b77e9be..7c18cb12c 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -185,8 +185,8 @@ HOST_LN?=	ln
 HOST_SH?=	/bin/sh
 
 ELF2ECOFF?=	elf2ecoff
-MKDEP?=		mkdep
-MKDEPCXX?=	mkdep
+MKDEP?=		CC=${CC:Q} mkdep
+MKDEPCXX?=	CC=${CXX:Q} mkdep
 OBJCOPY?=	objcopy
 OBJDUMP?=	objdump
 PAXCTL?=	paxctl