diff --git a/compiler/m68k/cgcpu.pas b/compiler/m68k/cgcpu.pas
index 77ae75fd97..2d6a003df6 100644
--- a/compiler/m68k/cgcpu.pas
+++ b/compiler/m68k/cgcpu.pas
@@ -1840,7 +1840,7 @@ unit cgcpu;
             if saved_fpu_registers[r] in rg[R_FPUREGISTER].used_in_proc then
               begin
                 hfreg:=newreg(R_FPUREGISTER,saved_fpu_registers[r],R_SUBWHOLE);
-                inc(fsize,10{sizeof(extended)});
+                inc(fsize,12{sizeof(extended)});
                 fpuregs:=fpuregs + [saved_fpu_registers[r]];
               end;
 
@@ -1961,7 +1961,7 @@ unit cgcpu;
           begin
             { size is always longword aligned, while fsize is not }
             inc(href.offset,size);
-            if fsize = 10{sizeof(extended)} then
+            if fsize = 12{sizeof(extended)} then
               list.concat(taicpu.op_ref_reg(A_FMOVE,S_FX,href,hfreg))
             else
               list.concat(taicpu.op_ref_regset(A_FMOVEM,S_FX,href,[],[],fpuregs));