diff --git a/src/build/run.cr b/src/build/run.cr
index cc83f95..0d1c5d0 100644
--- a/src/build/run.cr
+++ b/src/build/run.cr
@@ -55,23 +55,35 @@ module DocMachine::Build
         Process.run("docker", ["pull", @docker_image], output: STDOUT)
         Log.info { "Building cache for image (#{data_cache_dir})" }
         FileUtils.mkdir_p(data_cache_dir)
-        Process.run(
+        status = Process.run(
           "docker", 
           ["image", "save", @docker_image, "-o", data_cache_file.to_s], 
           output: STDOUT
         )
-        Log.info { "done" }
+        if status.success? 
+          Log.info { "done" }
+        else
+          Log.error { "Unable to save cache image" }
+          exit 1
+        end
+
       else 
         Log.info { "Cache already exist. Skipping." }
       end
 
       Log.info { "Loading #{@docker_image} image from cache..." }
       docker_image_loaded = false
-      Process.run(
+      status = Process.run(
         "docker", 
-        ["image", "load", @docker_image, "-i", data_cache_file.to_s], 
+        ["image", "load", "-i", data_cache_file.to_s], 
         output: STDOUT
       )
+      if status.success? 
+        Log.info { "done" }
+      else
+        Log.error { "Unable to load cache image" }
+        exit 1
+      end
     end
 
     def start()