diff --git a/java-latest-openjdk-portable.spec b/java-latest-openjdk-portable.spec
index 06d86b4..552bbd3 100644
--- a/java-latest-openjdk-portable.spec
+++ b/java-latest-openjdk-portable.spec
@@ -1301,13 +1301,13 @@ function findGeneratedSources() {
   local sourcesName=$(basename ${sources})
   local sourcesParent=$(dirname ${sources})
   local target=${sourcesParent}/${targetDirParent}/%{generated_sources_name}
-  mkdir $target
+  mkdir -p $target
   pushd ${builtJdk}
-    mkdir ${target}/${builtJdkName}
+    mkdir -p ${target}/${builtJdkName}
     cp --parents $(find . | grep -e "\.cpp$" -e "\.hpp$" -e "\.h$" -e "\.hh$" -e "\.rl$"  -e "NONE$") ${target}/${builtJdkName}
   popd
   pushd ${sources}
-    mkdir ${target}/${sourcesName}
+    mkdir -p ${target}/${sourcesName}
     cp --parents $(find make | grep -e "\.cpp$" -e "\.hpp$" -e "\.h$" -e "\.hh$" -e "\.rl$"  -e "NONE$") ${target}/${sourcesName}
   popd
 }