diff --git a/3rdParty/V8-4.3.61/src/d8.gyp b/3rdParty/V8-4.3.61/src/d8.gyp
index a78551599f..61d1b4c75a 100644
--- a/3rdParty/V8-4.3.61/src/d8.gyp
+++ b/3rdParty/V8-4.3.61/src/d8.gyp
@@ -127,7 +127,7 @@
             '<(SHARED_INTERMEDIATE_DIR)/d8-js.cc',
           ],
           'action': [
-            'python',
+            '$(PYTHON_EXECUTABLE)',
             '../tools/js2c.py',
             '<@(_outputs)',
             'D8',
diff --git a/3rdParty/V8-4.3.61/test/cctest/cctest.gyp b/3rdParty/V8-4.3.61/test/cctest/cctest.gyp
index 3f7d56aa43..18d789c418 100644
--- a/3rdParty/V8-4.3.61/test/cctest/cctest.gyp
+++ b/3rdParty/V8-4.3.61/test/cctest/cctest.gyp
@@ -320,7 +320,7 @@
             '<(generated_file)',
           ],
           'action': [
-            'python',
+            '$(PYTHON_EXECUTABLE)',
             '../../tools/js2c.py',
             '<@(_outputs)',
             'TEST',  # type
diff --git a/3rdParty/V8-4.3.61/tools/gyp/v8.gyp b/3rdParty/V8-4.3.61/tools/gyp/v8.gyp
index effec7b357..4ec3df0aaa 100644
--- a/3rdParty/V8-4.3.61/tools/gyp/v8.gyp
+++ b/3rdParty/V8-4.3.61/tools/gyp/v8.gyp
@@ -1731,14 +1731,13 @@
           'action_name': 'js2c',
           'inputs': [
             '../../tools/js2c.py',
-            '<@(library_files)',
             '<@(i18n_library_files)',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
           ],
           'action': [
-            'python',
+            '$(PYTHON_EXECUTABLE)',
             '../../tools/js2c.py',
             '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
             'CORE',
@@ -1757,6 +1756,7 @@
         {
           'action_name': 'js2c_experimental',
           'inputs': [
+            '$(PYTHON_EXECUTABLE)',
             '../../tools/js2c.py',
             '<@(experimental_library_files)',
           ],
@@ -1764,7 +1764,7 @@
             '<(SHARED_INTERMEDIATE_DIR)/experimental-libraries.cc',
           ],
           'action': [
-            'python',
+            '$(PYTHON_EXECUTABLE)',
             '../../tools/js2c.py',
             '<(SHARED_INTERMEDIATE_DIR)/experimental-libraries.cc',
             'EXPERIMENTAL',