diff --git a/mission/obc/CCSDSIPCoreBridge.cpp b/mission/obc/CCSDSIPCoreBridge.cpp
index f92244ce..8dd15a03 100644
--- a/mission/obc/CCSDSIPCoreBridge.cpp
+++ b/mission/obc/CCSDSIPCoreBridge.cpp
@@ -26,7 +26,7 @@ ReturnValue_t CCSDSIPCoreBridge::initialize() {
      * Map uio device in virtual address space
      * PROT_WRITE: Map uio device in writable only mode
      */
-    ptmeBaseAddress = static_cast<uint32_t*>(mmap(NULL, MAP_SIZE, PROT_WRITE, MAP_SHARED, fd, 0));
+    ptmeBaseAddress = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
 
     if (ptmeBaseAddress == MAP_FAILED) {
         sif::error << "CCSDSIPCoreBridge::initialize: Failed to map uio address" << std::endl;
@@ -61,7 +61,8 @@ ReturnValue_t CCSDSIPCoreBridge::sendTm(const uint8_t * data, size_t dataLen) {
 
     for(size_t idx = 0; idx < dataLen; idx++) {
         if(pollPapbSignal() == RETURN_OK) {
-            *(ptmeBaseAddress + PTME_DATA_REG_OFFSET) = static_cast<uint32_t>(*(data + idx));
+            *(static_cast<uint32_t*>(ptmeBaseAddress) + PTME_DATA_REG_OFFSET) =
+                    static_cast<uint32_t>(*(data + idx));
         }
         else {
             sif::debug << "CCSDSIPCoreBridge::sendTm: Only written " << idx - 1 << " of " << dataLen
@@ -77,11 +78,11 @@ ReturnValue_t CCSDSIPCoreBridge::sendTm(const uint8_t * data, size_t dataLen) {
 }
 
 void CCSDSIPCoreBridge::startPacketTransfer() {
-    *(ptmeBaseAddress) = PTME_CONFIG_START;
+    *(static_cast<uint32_t*>(ptmeBaseAddress)) = PTME_CONFIG_START;
 }
 
 void CCSDSIPCoreBridge::endPacketTransfer() {
-    *(ptmeBaseAddress) = PTME_CONFIG_END;
+    *(static_cast<uint32_t*>(ptmeBaseAddress)) = PTME_CONFIG_END;
 }
 
 ReturnValue_t CCSDSIPCoreBridge::pollPapbSignal() {
diff --git a/mission/obc/CCSDSIPCoreBridge.h b/mission/obc/CCSDSIPCoreBridge.h
index ee73cbc3..2b135350 100644
--- a/mission/obc/CCSDSIPCoreBridge.h
+++ b/mission/obc/CCSDSIPCoreBridge.h
@@ -90,7 +90,7 @@ private:
     int fd;
 
     /** PTME base address */
-    uint32_t* ptmeBaseAddress = nullptr;
+    void* ptmeBaseAddress = nullptr;
 
     /**
      * @brief   This function sends the config byte to the PTME IP Core to initiate a packet