diff --git a/src/execute.c b/src/execute.c
index 8ce5e79..d5e60a6 100644
--- a/src/execute.c
+++ b/src/execute.c
@@ -397,7 +397,7 @@ void execute_SDT(Machine *state, a64inst_instruction *inst) {
             writeRegister(state, inst->data.SingleTransferData.processOpData.singleDataTransferData.base, inst->data.SingleTransferData.regType, result);
         }
     } else {
-        *(word *)(state->memory + address) = state->registers[inst->data.SingleTransferData.target];
+        storeMemory(state->memory, address, state->registers[inst->data.SingleTransferData.target]);
 
          // Update base register if post indexed
         bool isSDT = inst->data.SingleTransferData.SingleTransferOpType == a64inst_SINGLE_TRANSFER_SINGLE_DATA_TRANSFER;
diff --git a/src/print.c b/src/print.c
index 1d1d4a2..88ed6f9 100644
--- a/src/print.c
+++ b/src/print.c
@@ -44,6 +44,14 @@ dword readDoubleWord(byte *memory, uint32_t address) {
     return result;
 }
 
+// Store into memory starting at address the given dword.
+void storeMemory(byte *memory, uint32_t address, dword data) {
+    int bytesPerDword = DWORD_BITS / BYTE_BITS - 1;
+    for (int i = 0; i <= bytesPerDword; i++) {
+        memory[address + i] = (byte)((data >> (BYTE_BITS * i)) & 0xFF);
+    }
+}
+
 // Prints all non-zero memory locations into the provided stream
 void printMemory(Machine *state, FILE *stream) {
     fprintf(stream, "\nNon-zero memory:\n");
diff --git a/src/print.h b/src/print.h
index 404e947..5a64a4e 100644
--- a/src/print.h
+++ b/src/print.h
@@ -5,6 +5,7 @@
 
 word readWord(byte *memory, uint32_t address);
 dword readDoubleWord(byte *memory, uint32_t address);
+void storeMemory(byte *memory, uint32_t address, dword data);
 void printState(Machine *state, FILE *stream);
 void printRegisters(Machine *state, FILE *stream);
 void printMemory(Machine *state, FILE *stream);