diff --git a/platforms/ios/build_framework.py b/platforms/ios/build_framework.py
index e6557b4dca..78d9ec6441 100644
--- a/platforms/ios/build_framework.py
+++ b/platforms/ios/build_framework.py
@@ -166,7 +166,7 @@ class Builder:
                 "-sdk", target.lower(),
                 "-configuration", "Release",
                 "-parallelizeTargets",
-                "-jobs", multiprocessing.cpu_count(),
+                "-jobs", str(multiprocessing.cpu_count()),
             ] + (["-target","ALL_BUILD"] if self.dynamic else [])
 
         return buildcmd
diff --git a/platforms/osx/build_framework.py b/platforms/osx/build_framework.py
index 90affab33e..2db5cd2564 100644
--- a/platforms/osx/build_framework.py
+++ b/platforms/osx/build_framework.py
@@ -23,7 +23,7 @@ class OSXBuilder(Builder):
             "-sdk", target.lower(),
             "-configuration", "Release",
             "-parallelizeTargets",
-            "-jobs", multiprocessing.cpu_count()
+            "-jobs", str(multiprocessing.cpu_count())
         ]
         return buildcmd