diff --git a/cpu/ppc/ppcdisasm.cpp b/cpu/ppc/ppcdisasm.cpp
index da71c90..22b1d0a 100644
--- a/cpu/ppc/ppcdisasm.cpp
+++ b/cpu/ppc/ppcdisasm.cpp
@@ -1078,7 +1078,7 @@ void opc_group31(PPCDisasmContext* ctx)
             }
         }
 
-        ctx->instr_str = my_sprintf("%-8scr%d, %d, r%d, r%d", "cmp", (rs >> 2), (rs & 1), ra, rb);
+        ctx->instr_str = my_sprintf("%-8scr%d, r%d, r%d", "cmp", (rs >> 2), ra, rb);
         break;
     case 4: /* tw */
         if (rc_set) {
diff --git a/cpu/ppc/test/ppcdisasmtest.csv b/cpu/ppc/test/ppcdisasmtest.csv
index ea2bcb0..5633bbd 100644
--- a/cpu/ppc/test/ppcdisasmtest.csv
+++ b/cpu/ppc/test/ppcdisasmtest.csv
@@ -356,7 +356,7 @@
 
 # compare instructions
 0xFFF00100,0x7C15A000,cmpw,r21,r20
-0xFFF00100,0x7FBFB800,cmp,cr7,1,r31,r23
+0xFFF00100,0x7FBFB800,cmp,cr7,r31,r23
 0xFFF00100,0x7F804840,cmplw,cr7,r0,r9
 0xFFF00100,0x2F800000,cmpwi,cr7,r0,0x0
 0xFFF00100,0x298E0022,cmplwi,cr3,r14,0x22