diff --git a/linux/obc/PdecHandler.cpp b/linux/obc/PdecHandler.cpp
index a04b9128..2d852caf 100644
--- a/linux/obc/PdecHandler.cpp
+++ b/linux/obc/PdecHandler.cpp
@@ -87,7 +87,7 @@ void PdecHandler::writePdecConfig() {
   *(memoryBaseAddress + FRAME_HEADER_OFFSET + 1) = pdecConfig.getConfigWord(1);
 
   // Configure interrupt mask register to enable interrupts
-  (*memoryBaseAddress + PDEC_IMR_OFFSET) = pdecConfig.getImrReg();
+  *(memoryBaseAddress + PDEC_IMR_OFFSET) = pdecConfig.getImrReg();
 
   // Configure all MAP IDs as invalid
   for (int idx = 0; idx <= MAX_MAP_ADDR; idx += 4) {