1 files changed, 2 insertions, 1 deletions
diff --git a/deheader b/deheader
index e77dcae..f1aaf28 100755
--- a/deheader
+++ b/deheader
@@ -1282,7 +1282,8 @@ class InclusionMap:
                 cnt = cnt + 1
                 c = match_preproc(["ifndef", "ifdef", "if"], line)
                 if c is not False:
-                    allow_parse_includes = self.check_block(sourcefile, cnt, compiler, defines, maker, verbosity, showerrs, subdir)
+                    if allow_parse_includes == True:
+                        allow_parse_includes = self.check_block(sourcefile, cnt, compiler, defines, maker, verbosity, showerrs, subdir)
                     conditions.append((c, allow_parse_includes))
                 elif match_preproc("else", line) is not False:
                     allow_parse_includes = not allow_parse_includes