diff --git a/src/main.cpp b/src/main.cpp
index 67a989559..7be5c5a79 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1172,6 +1172,30 @@ bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos)
     return true;
 }
 
+bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos)
+{
+    block.SetNull();
+
+    // Open history file to read
+    CAutoFile filein = CAutoFile(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION);
+    if (!filein)
+        return error("ReadBlockFromDisk(CBlock&, CDiskBlockPos&) : OpenBlockFile failed");
+
+    // Read block
+    try {
+        filein >> block;
+    }
+    catch (std::exception &e) {
+        return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__);
+    }
+
+    // Check the header
+    if (!CheckProofOfWork(block.GetHash(), block.nBits))
+        return error("ReadBlockFromDisk(CBlock&, CDiskBlockPos&) : errors in block header");
+
+    return true;
+}
+
 bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex)
 {
     if (!ReadBlockFromDisk(block, pindex->GetBlockPos()))
diff --git a/src/main.h b/src/main.h
index 3cd0143c6..47a9fb338 100644
--- a/src/main.h
+++ b/src/main.h
@@ -726,30 +726,7 @@ public:
 
 /** Functions for disk access for blocks */
 bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos);
-inline bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos)
-{    
-    block.SetNull();
-
-    // Open history file to read
-    CAutoFile filein = CAutoFile(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION);
-    if (!filein)
-        return error("ReadBlockFromDisk(CBlock&, CDiskBlockPos&) : OpenBlockFile failed");
-
-    // Read block
-    try {
-        filein >> block;
-    }    
-    catch (std::exception &e) {
-        return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__);
-    }    
-
-    // Check the header
-    if (!CheckProofOfWork(block.GetHash(), block.nBits))
-        return error("ReadBlockFromDisk(CBlock&, CDiskBlockPos&) : errors in block header");
-
-    return true;
-}    
-
+bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos);
 bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex);