diff --git a/src/ieu/controller.sv b/src/ieu/controller.sv
index 1188fe0a6..c6879ffd9 100644
--- a/src/ieu/controller.sv
+++ b/src/ieu/controller.sv
@@ -149,7 +149,7 @@ module controller(
                       ControlsD = `CTRLW'b1_101_01_11_001_0_0_0_0_0_0_0_0_0_10_0; // amo
                   end else
                       ControlsD = `CTRLW'b0_000_00_00_000_0_0_0_0_0_0_0_0_0_00_1; // Non-implemented instruction
-      7'b0110011: if (Funct7D == 7'b0000000 | Funct7D == 7'b0100000 | (Funct7D == 7'b0010000 & `ZBA_SUPPORTED))
+      7'b0110011: if (Funct7D == 7'b0000000 | Funct7D == 7'b0100000 | (Funct7D == 7'b0010000 & `ZBA_SUPPORTED) | (Funct7D == 7'b0100100 & `ZBS_SUPPORTED))
                       ControlsD = `CTRLW'b1_000_00_00_000_0_1_0_0_0_0_0_0_0_00_0; // R-type 
                   else if (Funct7D == 7'b0000001 & `M_SUPPORTED)
                       ControlsD = `CTRLW'b1_000_00_00_011_0_0_0_0_0_0_0_0_1_00_0; // Multiply/divide