diff --git a/src/arch/riscv/isa/decoder.isa b/src/arch/riscv/isa/decoder.isa
index 30a46a5fa7..1d2b42b084 100644
--- a/src/arch/riscv/isa/decoder.isa
+++ b/src/arch/riscv/isa/decoder.isa
@@ -427,7 +427,7 @@ decode QUADRANT default Unknown::unknown() {
 
                     freg_t fd;
                     fd = freg(f32(Mem_uw));
-                    Fd_bits = fd.v;
+                    Fc1_bits = fd.v;
                 }}, {{
                     EA = (uint32_t)(sp_uw + offset);
                 }});