diff --git a/scripts.d/25-libpng.sh b/scripts.d/25-libpng.sh
index 7c344be..5e112c4 100644
--- a/scripts.d/25-libpng.sh
+++ b/scripts.d/25-libpng.sh
@@ -20,7 +20,7 @@ ffbuild_dockerbuild() {
         git am < "$patch"
     done
 
-    autoreconf -fi
+    autoreconf -i
 
     local myconf=(
         --prefix="$FFBUILD_PREFIX"
diff --git a/scripts.d/50-libaribb24.sh b/scripts.d/50-libaribb24.sh
index 9becc54..cbb1622 100644
--- a/scripts.d/50-libaribb24.sh
+++ b/scripts.d/50-libaribb24.sh
@@ -12,7 +12,7 @@ ffbuild_dockerbuild() {
     git-mini-clone "$ARIBB24_REPO" "$ARIBB24_COMMIT" aribb24
     cd aribb24
 
-    autoreconf -fi
+    autoreconf -i
 
     local myconf=(
         --prefix="$FFBUILD_PREFIX"