diff --git a/.gitattributes b/.gitattributes
index d2151e17a0..b4cf9adfa9 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -12682,6 +12682,7 @@ tests/webtbs/tw22331.pp svneol=native#text/plain
 tests/webtbs/tw22344.pp svneol=native#text/plain
 tests/webtbs/tw2242.pp svneol=native#text/plain
 tests/webtbs/tw2250.pp svneol=native#text/plain
+tests/webtbs/tw22502.pp svneol=native#text/plain
 tests/webtbs/tw2259.pp svneol=native#text/plain
 tests/webtbs/tw2260.pp svneol=native#text/plain
 tests/webtbs/tw2266.pp svneol=native#text/plain
diff --git a/compiler/ncnv.pas b/compiler/ncnv.pas
index db1baaf72f..3f766830f2 100644
--- a/compiler/ncnv.pas
+++ b/compiler/ncnv.pas
@@ -3078,7 +3078,8 @@ implementation
     function ttypeconvnode.first_bool_to_bool : tnode;
       begin
          first_bool_to_bool:=nil;
-         if (left.expectloc in [LOC_FLAGS,LOC_JUMP]) then
+         if (left.expectloc in [LOC_FLAGS,LOC_JUMP]) and
+            not is_cbool(resultdef) then
            expectloc := left.expectloc
          else
            expectloc:=LOC_REGISTER;
diff --git a/tests/webtbs/tw22502.pp b/tests/webtbs/tw22502.pp
new file mode 100644
index 0000000000..1ea875b496
--- /dev/null
+++ b/tests/webtbs/tw22502.pp
@@ -0,0 +1,9 @@
+var
+  b: Boolean;
+begin
+ b:=true;
+ b := longbool(b = b);
+ if not b then
+   halt(1);
+end.
+