diff --git a/robocode.content/src/main/resources/meleerumble.sh b/robocode.content/src/main/resources/meleerumble.sh
index 7e3aa1512..f5ce9b082 100755
--- a/robocode.content/src/main/resources/meleerumble.sh
+++ b/robocode.content/src/main/resources/meleerumble.sh
@@ -12,7 +12,7 @@
 #----------------------------------------------------------
 
 # Used for setting Java options
-./set_java_options.sh
+. ./set_java_options.sh
 
 # Save present work directory (pwd)
 pwd=$(pwd)
diff --git a/robocode.content/src/main/resources/robocode.sh b/robocode.content/src/main/resources/robocode.sh
index bbe227662..b29028008 100755
--- a/robocode.content/src/main/resources/robocode.sh
+++ b/robocode.content/src/main/resources/robocode.sh
@@ -12,7 +12,7 @@
 #----------------------------------------------------------
 
 # Used for setting Java options
-./set_java_options.sh
+. ./set_java_options.sh
 
 # Save present work directory (pwd)
 pwd=$(pwd)
diff --git a/robocode.content/src/main/resources/roborumble.sh b/robocode.content/src/main/resources/roborumble.sh
index f0d7e76e5..ece58d196 100755
--- a/robocode.content/src/main/resources/roborumble.sh
+++ b/robocode.content/src/main/resources/roborumble.sh
@@ -12,7 +12,7 @@
 #----------------------------------------------------------
 
 # Used for setting Java options
-./set_java_options.sh
+. ./set_java_options.sh
 
 # Save present work directory (pwd)
 pwd=$(pwd)
diff --git a/robocode.content/src/main/resources/set_java_options.sh b/robocode.content/src/main/resources/set_java_options.sh
old mode 100644
new mode 100755
diff --git a/robocode.content/src/main/resources/teamrumble.sh b/robocode.content/src/main/resources/teamrumble.sh
index 671eaf7b3..55a170709 100755
--- a/robocode.content/src/main/resources/teamrumble.sh
+++ b/robocode.content/src/main/resources/teamrumble.sh
@@ -12,7 +12,7 @@
 #----------------------------------------------------------
 
 # Used for setting Java options
-./set_java_options.sh
+. ./set_java_options.sh
 
 # Save present work directory (pwd)
 pwd=$(pwd)
diff --git a/robocode.content/src/main/resources/twinduel.sh b/robocode.content/src/main/resources/twinduel.sh
index 3d83b1f3b..3e4e1fbbd 100755
--- a/robocode.content/src/main/resources/twinduel.sh
+++ b/robocode.content/src/main/resources/twinduel.sh
@@ -12,7 +12,7 @@
 #----------------------------------------------------------
 
 # Used for setting Java options
-./set_java_options.sh
+. ./set_java_options.sh
 
 # Save present work directory (pwd)
 pwd=$(pwd)