diff --git a/target/linux/ar71xx/config-4.9 b/target/linux/ar71xx/config-4.9
index c5b89088f1..0bd20e7b6e 100644
--- a/target/linux/ar71xx/config-4.9
+++ b/target/linux/ar71xx/config-4.9
@@ -378,6 +378,7 @@ CONFIG_MIPS_CLOCK_VSYSCALL=y
 CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y
 # CONFIG_MIPS_CMDLINE_FROM_DTB is not set
 # CONFIG_MIPS_ELF_APPENDED_DTB is not set
+CONFIG_MIPS_FPU_EMULATOR=y
 # CONFIG_MIPS_HUGE_TLB_SUPPORT is not set
 CONFIG_MIPS_L1_CACHE_SHIFT=5
 CONFIG_MIPS_MACHINE=y