diff --git a/src/rars/riscv/hardware/Memory.java b/src/rars/riscv/hardware/Memory.java
index e1a53645..b51302de 100644
--- a/src/rars/riscv/hardware/Memory.java
+++ b/src/rars/riscv/hardware/Memory.java
@@ -5,7 +5,6 @@
 import rars.Settings;
 import rars.SimulationException;
 import rars.riscv.Instruction;
-import rars.util.Binary;
 
 import java.util.*;
 
@@ -232,7 +231,7 @@ public static void setConfiguration() {
         // Default configuration comes from SPIM
         sections.put(".text", t.text.limit(TEXT_BLOCK_LENGTH_WORDS * TEXT_BLOCK_TABLE_LENGTH * WORD_LENGTH_BYTES));
         sections.put(".data", t.data.limit(BLOCK_LENGTH_WORDS * BLOCK_TABLE_LENGTH * WORD_LENGTH_BYTES));
-        sections.put(".bss",  t.bss);
+        sections.put("heap",  t.heap);
         sections.put("stack", t.stack.limitReverse(BLOCK_LENGTH_WORDS * BLOCK_TABLE_LENGTH * WORD_LENGTH_BYTES-1));
         sections.put("mmio",  t.mmio.limit(BLOCK_LENGTH_WORDS * MMIO_TABLE_LENGTH * WORD_LENGTH_BYTES));
         configuration =  new MemoryConfiguration(t.getConfigurationIdentifier(),t.getConfigurationName(), sections,t.gp_offset,t.extern_size);
@@ -271,7 +270,7 @@ public int allocateBytesFromHeap(int numBytes) throws IllegalArgumentException {
         if (newHeapAddress % 4 != 0) {
             newHeapAddress = newHeapAddress + (4 - newHeapAddress % 4); // next higher multiple of 4
         }
-        if (newHeapAddress >= configuration.bss.high) {
+        if (newHeapAddress >= configuration.heap.high) {
             throw new IllegalArgumentException("request (" + numBytes + ") exceeds available heap storage");
         }
         heapAddress = newHeapAddress;
diff --git a/src/rars/riscv/hardware/MemoryConfiguration.java b/src/rars/riscv/hardware/MemoryConfiguration.java
index 7b91fed1..3b0173fd 100644
--- a/src/rars/riscv/hardware/MemoryConfiguration.java
+++ b/src/rars/riscv/hardware/MemoryConfiguration.java
@@ -49,7 +49,7 @@ public class MemoryConfiguration {
     // Identifier is used for saving setting; name is used for display
     private String configurationIdentifier, configurationName;
 
-    public final Range text, data, bss, stack, mmio, total;
+    public final Range text, data, heap, stack, mmio, total;
     public final Map<String, Range> sections;
     public final int gp_offset, extern_size;
     public final boolean builtin;
@@ -63,7 +63,7 @@ public MemoryConfiguration(String ident, String name, Map<String, Range> section
         this.builtin = builtin;
         text  = sections.get(".text");
         data  = sections.get(".data");
-        bss   = sections.get(".bss");
+        heap = sections.get("heap");
         stack = sections.get("stack");
         mmio  = sections.get("mmio");
         total = sections.values().stream().reduce(text, Range::combine);
@@ -102,7 +102,7 @@ public int getDataBaseAddress() {
     }
 
     public int getHeapBaseAddress() {
-        return bss.low;
+        return heap.low;
     }
 
     public int getStackBaseAddress() {
@@ -114,7 +114,7 @@ public int getMemoryMapBaseAddress() {
     }
 
     public int getDataSegmentLimitAddress() {
-        return bss.high;
+        return heap.high;
     }
 
     public int getTextLimitAddress() {
diff --git a/src/rars/riscv/hardware/MemoryConfigurations.java b/src/rars/riscv/hardware/MemoryConfigurations.java
index a898cea7..7bedb4d6 100644
--- a/src/rars/riscv/hardware/MemoryConfigurations.java
+++ b/src/rars/riscv/hardware/MemoryConfigurations.java
@@ -60,7 +60,7 @@ public static void buildConfigurationCollection() {
             // Default configuration comes from SPIM
             sections.put(".text", new Range(  0x400000,0x10000000));
             sections.put(".data", new Range(0x10000000,0x10040000));
-            sections.put(".bss",  new Range(0x10040000,0x30000000));
+            sections.put("heap",  new Range(0x10040000,0x30000000));
             sections.put("stack", new Range(0x60000000,0x80000000));
             sections.put("mmio",  new Range(0xffff0000,0xffffffff));
             configurations.add(new MemoryConfiguration("Default","Default", sections,0x8000,0x10000));
@@ -69,7 +69,7 @@ public static void buildConfigurationCollection() {
             // Compact allows 16 bit addressing, data segment starts at 0
             sections.put(".text", new Range(0x3000,0x4000));
             sections.put(".data", new Range(0x0000,0x2000));
-            sections.put(".bss",  new Range(0x2000,0x2800)); //Heap and stack split in half (ideally they should overlap)
+            sections.put("heap",  new Range(0x2000,0x2800)); //Heap and stack split in half (ideally they should overlap)
             sections.put("stack", new Range(0x2800,0x3000));
             sections.put("mmio",  new Range(0x7f00,0x8000));
             configurations.add(new MemoryConfiguration("CompactDataAtZero", "Compact, Data at Address 0", sections,0x1800,0x1000));
@@ -78,7 +78,7 @@ public static void buildConfigurationCollection() {
             // Compact allows 16 bit addressing, text segment starts at 0
             sections.put(".text", new Range(0x0000,0x1000));
             sections.put(".data", new Range(0x1000,0x3000));
-            sections.put(".bss",  new Range(0x3000,0x3800)); //Heap and stack split in half (ideally they should overlap)
+            sections.put("heap",  new Range(0x3000,0x3800)); //Heap and stack split in half (ideally they should overlap)
             sections.put("stack", new Range(0x3800,0x4000));
             sections.put("mmio",  new Range(0x7f00,0x8000));
             configurations.add(new MemoryConfiguration("CompactTextAtZero", "Compact, Text at Address 0", sections,0x800,0x1000));