diff --git a/loaih/build.py b/loaih/build.py
index a99bc5b..80fda4b 100644
--- a/loaih/build.py
+++ b/loaih/build.py
@@ -382,21 +382,24 @@ class Build(loaih.RemoteBuild):
         os.chdir(self.appnamedir)
         for arch in self.arch:
             for item in [ self.appimagefilename[arch], self.zsyncfilename[arch] ]:
-                # For any built arch, find out if a file exist.
-                self.__create_checksum__(item)
+                if self.built[arch]:
+                    # For any built arch, find out if a file exist.
+                    self.__create_checksum__(item)
 
 
     def __create_checksum__(self, file):
         """Internal function to create checksum file."""
 
         checksum = hashlib.md5()
+        fullpath = os.path.join(self.appnamedir, file)
 
-        with open(os.path.join(self.appnamedir, file), 'rb') as readfile:
-            for chunk in iter(lambda: readfile.read(4096), b""):
-                checksum.update(chunk)
+        if os.path.exists(fullpath):
+            with open(os.path.join(self.appnamedir, file), 'rb') as readfile:
+                for chunk in iter(lambda: readfile.read(4096), b""):
+                    checksum.update(chunk)
 
-        with open(f"{file}.md5", 'w', encoding='utf-8') as csfile:
-            csfile.write(checksum.hexdigest())
+            with open(f"{file}.md5", 'w', encoding='utf-8') as csfile:
+                csfile.write(checksum.hexdigest())
 
 
     def publish(self):