diff --git a/src/util.cpp b/src/util.cpp
index e75ed4ca8..abffa7a0e 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -892,7 +892,8 @@ void ShrinkDebugFile()
     // Scroll debug.log if it's getting too big
     boost::filesystem::path pathLog = GetDataDir() / "debug.log";
     FILE* file = fopen(pathLog.string().c_str(), "r");
-    if (file && boost::filesystem::file_size(pathLog) > 10 * 1000000)
+    unsigned int MAX_DEBUG_LOG_SIZE = 100*(1024*1024); // 100MB
+    if (file && boost::filesystem::file_size(pathLog) > MAX_DEBUG_LOG_SIZE )
     {
         // Restart the file with some of the end
         std::vector <char> vch(200000,0);