diff --git a/python/build/pycharm.bat b/python/build/pycharm.bat
index 6c150ae60ab9..e9a0bc5837f9 100644
--- a/python/build/pycharm.bat
+++ b/python/build/pycharm.bat
@@ -31,7 +31,7 @@ IF NOT "%IDEA_PROPERTIES%" == "" set IDEA_PROPERTIES_PROPERTY=-Didea.properties.
 SET ACC=
 FOR /F "delims=" %%i in (%IDEA_HOME%\bin\pycharm.exe.vmoptions) DO call %IDEA_HOME%\bin\append.bat "%%i"
 
-set REQUIRED_IDEA_JVM_ARGS=-Xbootclasspath/p:%IDEA_HOME%/lib/boot.jar -Didea.platform.prefix=Python %IDEA_PROPERTIES_PROPERTY% %REQUIRED_IDEA_JVM_ARGS%
+set REQUIRED_IDEA_JVM_ARGS=-Xbootclasspath/a:%IDEA_HOME%/lib/boot.jar -Didea.platform.prefix=Python %IDEA_PROPERTIES_PROPERTY% %REQUIRED_IDEA_JVM_ARGS%
 SET JVM_ARGS=%ACC% %REQUIRED_IDEA_JVM_ARGS%
 
 SET OLD_PATH=%PATH%
diff --git a/python/build/release.xml b/python/build/release.xml
index 06d896df7494..3a9e581fce52 100644
--- a/python/build/release.xml
+++ b/python/build/release.xml
@@ -139,7 +139,7 @@
           fork="true"
           args="traverseUI ${classes.dir}/search/searchableOptions.xml">
       <jvmarg line="-ea -Didea.home.path=${idea.home} -Didea.system.path=${idea.system.path} -Didea.config.path=${idea.config.path} -Didea.platform.prefix=Python -Didea.load.plugins=Pythonid -Didea.no.jre.check=true"  />
-      <jvmarg value="-Xbootclasspath/p:${idea.dir}/jdk15/lib/boot.jar"/>
+      <jvmarg value="-Xbootclasspath/a:${idea.dir}/jdk15/lib/boot.jar"/>
 
        <classpath>
          <path refid="classpath.lib"/>