diff --git a/src/Yann/ExcludeSats.cpp b/src/Yann/ExcludeSats.cpp
index 3a13833843..8f3ea1e173 100755
--- a/src/Yann/ExcludeSats.cpp
+++ b/src/Yann/ExcludeSats.cpp
@@ -223,7 +223,12 @@ std::string execCmdOutput(const char* cmd) {
 
 		std::array<char, 128> buffer;
    		std::string result;
-    	std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
+
+        struct PipeCloser {
+          void operator()(FILE *p)  const { pclose(p); }
+        };
+
+        std::unique_ptr<FILE, PipeCloser> pipe(popen(cmd, "r"));
 	    if (!pipe) {
         	throw std::runtime_error("popen() failed!");
     	}