diff --git a/libretro-build-common.sh b/libretro-build-common.sh
index 186d25f3..d12a905a 100755
--- a/libretro-build-common.sh
+++ b/libretro-build-common.sh
@@ -63,7 +63,7 @@ build_should_skip() {
 build_save_revision() {
 	[ -z "$SKIP_UNCHANGED" ] && return
 	[ "$1" != "0" ] && return
-	echo $(fetch_revision) > "$WORKDIR/build_revisions/$2"
+	echo $(fetch_revision) > "$BUILD_REVISIONS_DIR/$2"
 }
 
 
diff --git a/libretro-build.sh b/libretro-build.sh
index ddc77a25..9505d3e5 100755
--- a/libretro-build.sh
+++ b/libretro-build.sh
@@ -91,6 +91,8 @@ echo "STRIP = $STRIP"
 mkdir -p "$RARCH_DIST_DIR"
 
 if [ -n "$SKIP_UNCHANGED" ]; then
+	[ -z "$BUILD_REVISIONS_DIR" ] && BUILD_REVISIONS_DIR="$WORKDIR/build-revisions"
+	echo "mkdir -p \"$BUILD_REVISIONS_DIR\""
 	mkdir -p "$BUILD_REVISIONS_DIR"
 fi