diff --git a/README.md b/README.md
index 1620509..c99d6c8 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ dependencies {
 
 ## What's New
 
+* **0.6.9** Fixed some null pointer issues if content on base64encode was null and some exceptions on array traversal
 * **0.6.8** Fixed ! (not) operator and added base64encode, base64decode, textdecodebase64, textencodebase64
 * **0.6.7** Fixed operators called on variables without spaces
 * **0.6.6** Fixed nested strings inside an interpolation syntax as well as some add conditional checks
diff --git a/build.gradle b/build.gradle
index 881dceb..3eab30f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ ext {
 
 
 group = 'com.bertramlabs.plugins'
-version = '0.6.8'
+version = '0.6.9'
 
 ext.isReleaseVersion = !version.endsWith("SNAPSHOT")
 sourceCompatibility = "1.8"
diff --git a/src/main/java/com/bertramlabs/plugins/hcl4j/HCLBaseFunctions.java b/src/main/java/com/bertramlabs/plugins/hcl4j/HCLBaseFunctions.java
index be83738..2554242 100644
--- a/src/main/java/com/bertramlabs/plugins/hcl4j/HCLBaseFunctions.java
+++ b/src/main/java/com/bertramlabs/plugins/hcl4j/HCLBaseFunctions.java
@@ -402,7 +402,9 @@ static void registerCastingFunctions(HCLParser parser) {
         parser.registerFunction("base64encode", (arguments) -> {
             if(arguments.size() > 0) {
                 String content = (String)(arguments.get(0));
-                return Base64.getEncoder().encodeToString(content.getBytes(StandardCharsets.UTF_8));
+                if(content != null) {
+                    return Base64.getEncoder().encodeToString(content.getBytes(StandardCharsets.UTF_8));
+                }
             }
             return null;
         });
@@ -410,8 +412,11 @@ static void registerCastingFunctions(HCLParser parser) {
         parser.registerFunction("base64decode", (arguments) -> {
             if(arguments.size() > 0) {
                 String content = (String)(arguments.get(0));
-                byte[] decodedBytes = Base64.getDecoder().decode(content);
-                return new String(decodedBytes,StandardCharsets.UTF_8);
+                if(content != null) {
+                    byte[] decodedBytes = Base64.getDecoder().decode(content);
+                    return new String(decodedBytes,StandardCharsets.UTF_8);
+                }
+                
             }
             return null;
         });
@@ -421,7 +426,9 @@ static void registerCastingFunctions(HCLParser parser) {
             if(arguments.size() > 1) {
                 String content = (String)(arguments.get(0));
                 String encoding = (String)(arguments.get(1));
-                return Base64.getEncoder().encodeToString(content.getBytes(Charset.forName(encoding)));
+                if(content != null) {
+                    return Base64.getEncoder().encodeToString(content.getBytes(Charset.forName(encoding)));
+                }
             }
             return null;
         });
@@ -429,10 +436,13 @@ static void registerCastingFunctions(HCLParser parser) {
         parser.registerFunction("textdecodebase64", (arguments) -> {
             if(arguments.size() > 1) {
                 String content = (String)(arguments.get(0));
-                String encoding = (String)(arguments.get(1));
+                if(content != null) {
+                    String encoding = (String)(arguments.get(1));
 
-                byte[] decodedBytes = Base64.getDecoder().decode(content);
-                return new String(decodedBytes,Charset.forName(encoding));
+                    byte[] decodedBytes = Base64.getDecoder().decode(content);
+                    return new String(decodedBytes,Charset.forName(encoding));
+                }
+                
             }
             return null;
         });