diff --git a/fpga/generator/Makefile b/fpga/generator/Makefile
index 1a0eb9964..1a9343f2c 100644
--- a/fpga/generator/Makefile
+++ b/fpga/generator/Makefile
@@ -15,14 +15,14 @@ vcu118: export XILINX_PART := xcvu9p-flga2104-2L-e
 vcu118: export XILINX_BOARD := xilinx.com:vcu118:part0:2.4
 vcu118: export board := vcu118
 vcu118: export SYSTEMCLOCK := 71000000
-ArtyA7: export MAXSDCLOCK  :=  1000000
+ArtyA7: export MAXSDCCLOCK  :=  1000000
 vcu118: FPGA_VCU
 
 vcu108: export XILINX_PART := xcvu095-ffva2104-2-e
 vcu108: export XILINX_BOARD := xilinx.com:vcu108:part0:1.7
 vcu108: export board := vcu108
 vcu108: export SYSTEMCLOCK := 50000000
-ArtyA7: export MAXSDCLOCK  := 12500000
+ArtyA7: export MAXSDCCLOCK  := 12500000
 vcu108: FPGA_VCU
 
 # variables computed from config