diff --git a/compiler/src/prog8/compiler/target/cpu6502/codegen/assignment/AssignmentAsmGen.kt b/compiler/src/prog8/compiler/target/cpu6502/codegen/assignment/AssignmentAsmGen.kt
index efdeeb496..d487190ae 100644
--- a/compiler/src/prog8/compiler/target/cpu6502/codegen/assignment/AssignmentAsmGen.kt
+++ b/compiler/src/prog8/compiler/target/cpu6502/codegen/assignment/AssignmentAsmGen.kt
@@ -571,11 +571,7 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
                     else -> throw AssemblyError("weird type")
                 }
             }
-            DataType.STR -> {
-                if (targetDt != DataType.UWORD && targetDt == DataType.STR)
-                    throw AssemblyError("cannot typecast a string into another incompatitble type")
-                TODO("assign typecasted string into target var")
-            }
+            DataType.STR -> throw AssemblyError("cannot typecast a string value")
             else -> throw AssemblyError("weird type")
         }
     }
@@ -710,11 +706,7 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
                     else -> throw AssemblyError("weird type")
                 }
             }
-            DataType.STR -> {
-                if (targetDt != DataType.UWORD && targetDt == DataType.STR)
-                    throw AssemblyError("cannot typecast a string into another incompatitble type")
-                TODO("assign typecasted string into target var")
-            }
+            DataType.STR -> throw AssemblyError("cannot typecast a string value")
             else -> throw AssemblyError("weird type")
         }
     }
diff --git a/examples/test.p8 b/examples/test.p8
index bb107b980..3598cff5b 100644
--- a/examples/test.p8
+++ b/examples/test.p8
@@ -5,13 +5,14 @@ main {
 
     sub start() {
 
-        ubyte zero
-        ubyte one=1
+        str string1 = "irmen"
+        str string2 = "hello"
 
-        ubyte qq=1
-        qq = qq + c64.CHKIN(1) * qq
+        uword xx = $f000
 
-        txt.print_ub(qq)
+;        string1 = xx
+;        string1 = string2
+        string1 = string2 as uword
 
 ;        ubyte[] array = [1,2,3,4]
 ;        ubyte ix