diff --git a/charts/pega/charts/installer/config/prpcUtils.properties.tmpl b/charts/pega/charts/installer/config/prpcUtils.properties.tmpl
index 1f06d94c3..2d5006410 100644
--- a/charts/pega/charts/installer/config/prpcUtils.properties.tmpl
+++ b/charts/pega/charts/installer/config/prpcUtils.properties.tmpl
@@ -28,7 +28,7 @@ user.temp.dir=/opt/pega/temp
 
 # CUSTOM JVM ARGS
 # Use this parameter to add jvm arguments other than Max Heap Size so your deployment nodes invoke these arguments each time the nodes start
-custom.jvm.args={{ .Env.CUSTOM_JVM_ARGS }}
+custom.jvm.args=-Xmx4g {{ .Env.CUSTOM_JVM_ARGS }}
 
 ############################### SETTINGS FOR CHANGING DYNAMIC SYSTEM SETTINGS ########
 ######################################################################################
diff --git a/charts/pega/charts/installer/config/setupDatabase.properties.tmpl b/charts/pega/charts/installer/config/setupDatabase.properties.tmpl
index 22514e909..7c5a0a44b 100644
--- a/charts/pega/charts/installer/config/setupDatabase.properties.tmpl
+++ b/charts/pega/charts/installer/config/setupDatabase.properties.tmpl
@@ -86,6 +86,6 @@ bypass.load.assembled.classes={{ .Env.BYPASS_LOAD_ASSEMBLED_CLASSES }}
 # Enable adminstrator user after upgrade by default.
 upgrade.enable.admin=true
 
-custom.jvm.args={{ .Env.CUSTOM_JVM_ARGS }}
+custom.jvm.args=-Xmx4g {{ .Env.CUSTOM_JVM_ARGS }}
 
 {{ .Env.ADVANCED_SETTINGS }}
\ No newline at end of file
diff --git a/terratest/src/test/pega/data/expectedPRPCUtils.properties.tmpl b/terratest/src/test/pega/data/expectedPRPCUtils.properties.tmpl
index 1f06d94c3..2d5006410 100644
--- a/terratest/src/test/pega/data/expectedPRPCUtils.properties.tmpl
+++ b/terratest/src/test/pega/data/expectedPRPCUtils.properties.tmpl
@@ -28,7 +28,7 @@ user.temp.dir=/opt/pega/temp
 
 # CUSTOM JVM ARGS
 # Use this parameter to add jvm arguments other than Max Heap Size so your deployment nodes invoke these arguments each time the nodes start
-custom.jvm.args={{ .Env.CUSTOM_JVM_ARGS }}
+custom.jvm.args=-Xmx4g {{ .Env.CUSTOM_JVM_ARGS }}
 
 ############################### SETTINGS FOR CHANGING DYNAMIC SYSTEM SETTINGS ########
 ######################################################################################
diff --git a/terratest/src/test/pega/data/expectedSetupdatabase.properties b/terratest/src/test/pega/data/expectedSetupdatabase.properties
index 22514e909..7c5a0a44b 100644
--- a/terratest/src/test/pega/data/expectedSetupdatabase.properties
+++ b/terratest/src/test/pega/data/expectedSetupdatabase.properties
@@ -86,6 +86,6 @@ bypass.load.assembled.classes={{ .Env.BYPASS_LOAD_ASSEMBLED_CLASSES }}
 # Enable adminstrator user after upgrade by default.
 upgrade.enable.admin=true
 
-custom.jvm.args={{ .Env.CUSTOM_JVM_ARGS }}
+custom.jvm.args=-Xmx4g {{ .Env.CUSTOM_JVM_ARGS }}
 
 {{ .Env.ADVANCED_SETTINGS }}
\ No newline at end of file