diff --git a/configure b/configure
index 3b132d07c9..17f72b735e 100755
--- a/configure
+++ b/configure
@@ -8524,8 +8524,10 @@ echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
 cp_if_changed $TMPH config.h
 touch ffbuild/.config
 
-# Copy config.asm before printing ALL_COMPONENTS; that's not needed in assembly.
-enabled x86asm && cp_if_changed $TMPASM config.asm
+# Copy config.asm and reopen a new TMPASM for config_components.asm
+enabled x86asm && cp_if_changed $TMPASM config.asm && cat > $TMPASM <<EOF
+; Automatically generated by configure - do not modify!
+EOF
 
 # Reopen a new TMPH for config_components.h.
 cat > $TMPH <<EOF
@@ -8540,6 +8542,7 @@ echo "#endif /* FFMPEG_CONFIG_COMPONENTS_H */" >> $TMPH
 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
 
 cp_if_changed $TMPH config_components.h
+enabled x86asm && cp_if_changed $TMPASM config_components.asm
 
 cat > $TMPH <<EOF
 /* Generated by ffmpeg configure */