diff --git a/src/common/unicode_util.cpp b/src/common/unicode_util.cpp
index 83241ffa5d..9d257c0615 100644
--- a/src/common/unicode_util.cpp
+++ b/src/common/unicode_util.cpp
@@ -517,7 +517,12 @@ static ModuleLoader::Module* formatAndLoad(const char* templateName,
 		// ICU has several schemas for placing version into file name
 		const char* const patterns[] =
 		{
-			"%d_%d", "%d.%d", "%d%d"
+#ifdef WIN_NT
+			"%d",
+#endif
+			"%d_%d",
+			"%d.%d",
+			"%d%d"
 		};
 
 		PathName s, filename;
@@ -531,7 +536,9 @@ static ModuleLoader::Module* formatAndLoad(const char* templateName,
 				break;
 		}
 
+#ifndef WIN_NT
 		// There is no sence to try pattern "%d" for different minor versions
+		// ASF: In Windows ICU 63.1 libraries use 63.dll suffix. This is handled in 'patterns' above.
 		if (!module && minorVersion == 0)
 		{
 			s.printf("%d", majorVersion);
@@ -539,6 +546,7 @@ static ModuleLoader::Module* formatAndLoad(const char* templateName,
 
 			module = ModuleLoader::fixAndLoadModule(NULL, filename);
 		}
+#endif
 	}
 
 	return module;
@@ -1327,7 +1335,7 @@ UnicodeUtil::ConversionICU& UnicodeUtil::getConversionICU()
 
 	// Try "favorite" (distributed on windows) version first
 	const int favMaj = 63;
-	const int favMin = 0;
+	const int favMin = 1;
 	try
 	{
 		if ((convIcu = ImplementConversionICU::create(favMaj, favMin)))