diff --git a/bsp_q7s/boardconfig/busConf.h b/bsp_q7s/boardconfig/busConf.h
index bbd91103..0bd781df 100644
--- a/bsp_q7s/boardconfig/busConf.h
+++ b/bsp_q7s/boardconfig/busConf.h
@@ -17,10 +17,10 @@ static constexpr char UART_SYRLINKS_DEV[] = "/dev/ul_syrlinks";
 static constexpr char UART_STAR_TRACKER_DEV[] = "/dev/ul_str";
 static constexpr char UART_SCEX_DEV[] = "/dev/scex";
 
-static constexpr char UIO_PDEC_REGISTERS[] = "/dev/uio0";
-static constexpr char UIO_PTME[] = "/dev/uio1";
-static constexpr char UIO_PDEC_CONFIG_MEMORY[] = "/dev/uio2";
-static constexpr char UIO_PDEC_RAM[] = "/dev/uio3";
+static constexpr char UIO_PDEC_REGISTERS[] = "/dev/uio_pdec_regs";
+static constexpr char UIO_PTME[] = "/dev/uio_ptme";
+static constexpr char UIO_PDEC_CONFIG_MEMORY[] = "/dev/uio_pdec_cfg_mem";
+static constexpr char UIO_PDEC_RAM[] = "/dev/pdec_ram";
 static constexpr int MAP_ID_PTME_CONFIG = 3;
 
 namespace uiomapids {
diff --git a/linux/obc/PdecHandler.cpp b/linux/obc/PdecHandler.cpp
index 6199853f..ebd17957 100644
--- a/linux/obc/PdecHandler.cpp
+++ b/linux/obc/PdecHandler.cpp
@@ -88,7 +88,7 @@ void PdecHandler::writePdecConfig() {
 
   // Configure all MAP IDs as invalid
   for (int idx = 0; idx <= MAX_MAP_ADDR; idx += 4) {
-    *(memoryBaseAddress + MAP_ADDR_LUT_OFFSET + idx + 1 / 4) =
+    *(memoryBaseAddress + MAP_ADDR_LUT_OFFSET + idx / 4) =
         NO_DESTINATION << 24 | NO_DESTINATION << 16 | NO_DESTINATION << 8 | NO_DESTINATION;
   }