diff --git a/fpga/include/villas/fpga/ip.hpp b/fpga/include/villas/fpga/ip.hpp
index 172cbcb9e..d78edb850 100644
--- a/fpga/include/villas/fpga/ip.hpp
+++ b/fpga/include/villas/fpga/ip.hpp
@@ -114,7 +114,11 @@ public:
 
 protected:
 	uintptr_t
-	getBaseaddr() const;
+	getBaseaddr() const
+	{ return getAddrMapped(this->baseaddr); }
+
+	uintptr_t
+	getAddrMapped(uintptr_t address) const;
 
 	struct IrqPort {
 		int num;
diff --git a/fpga/lib/ip.cpp b/fpga/lib/ip.cpp
index e84c7cb0e..8324c86fe 100644
--- a/fpga/lib/ip.cpp
+++ b/fpga/lib/ip.cpp
@@ -143,9 +143,10 @@ IpCoreFactory* IpCoreFactory::lookup(const Vlnv &vlnv)
 }
 
 uintptr_t
-IpCore::getBaseaddr() const {
+IpCore::getAddrMapped(uintptr_t address) const
+{
 	assert(card != nullptr);
-	return reinterpret_cast<uintptr_t>(card->map) + this->baseaddr;
+	return reinterpret_cast<uintptr_t>(card->map) + address;
 }