diff --git a/app-text/aobook/aobook-1.0.3_4.recipe b/app-text/aobook/aobook-1.0.3_4.recipe
index b9e62eda2..2f27b20cd 100644
--- a/app-text/aobook/aobook-1.0.3_4.recipe
+++ b/app-text/aobook/aobook-1.0.3_4.recipe
@@ -51,7 +51,7 @@ BUILD_PREREQUIRES="
 BUILD()
 {
 	make -C mlib -f Makefile.haiku $jobArgs OBJ_DIR=objects
-	make -C src -f Makefile.haiku $jobArgs OBJ_DIR=objects \
+	make -C src -f Makefile.haiku -j1 OBJ_DIR=objects \
 		default catalogs bindcatalogs
 }