diff --git a/config/rv64gc/config.vh b/config/rv64gc/config.vh
index 564b32f5d..8decf60d5 100644
--- a/config/rv64gc/config.vh
+++ b/config/rv64gc/config.vh
@@ -42,7 +42,7 @@ localparam ZIFENCEI_SUPPORTED = 1;
 localparam COUNTERS = 12'd32;
 localparam ZICNTR_SUPPORTED = 1;
 localparam ZIHPM_SUPPORTED = 1;
-localparam ZFH_SUPPORTED = 1;
+localparam ZFH_SUPPORTED = 0;
 localparam SSTC_SUPPORTED = 1;
 localparam ZICBOM_SUPPORTED = 1;
 localparam ZICBOZ_SUPPORTED = 1;