diff --git a/lib/msun/arm/Makefile.inc b/lib/msun/arm/Makefile.inc
index cdac74af27bf..09f08d887915 100644
--- a/lib/msun/arm/Makefile.inc
+++ b/lib/msun/arm/Makefile.inc
@@ -7,3 +7,6 @@ SYM_MAPS += ${.CURDIR}/arm/Symbol.map
 ARCH_SRCS = fenv-softfp.c fenv-vfp.c
 .endif
 
+CFLAGS.fenv-vfp.c=	-mfloat-abi=softfp
+CFLAGS+=		${CFLAGS.${.IMPSRC:T}}
+