diff --git a/Compiling-from-source.md b/Compiling-from-source.md
index 1676cf3..fbb88ee 100644
--- a/Compiling-from-source.md
+++ b/Compiling-from-source.md
@@ -146,7 +146,7 @@ n is the number of CPU threads you want to use.
 openssl:
 
 
-`./Configure mingw64 shared --cross-compile-prefix=x86_64-w64-mingw32`
+`./Configure mingw64 shared --cross-compile-prefix=x86_64-w64-mingw32-`
 
 `make`