diff --git a/src/SDPs.jl b/src/SDPs.jl
index 2aab736..ab1cffb 100644
--- a/src/SDPs.jl
+++ b/src/SDPs.jl
@@ -60,7 +60,7 @@ function solve_SDP(SDP_problem)
 
     # to change buffering mode of stdout to _IOLBF (line bufferin)
     # see https://github.com/JuliaLang/julia/issues/8765
-   #  ccall((:printf, "libc"), Int, (Ptr{UInt8},), "\n");
+    ccall((:printf, "libc"), Int, (Ptr{UInt8},), "\n");
 
     o = redirect_stdout(solver_logger.handlers["solver_log"].io)