diff --git a/tester/complex_sip_call_tester.c b/tester/complex_sip_call_tester.c
index 4d2d0da2b..5e89e020b 100644
--- a/tester/complex_sip_call_tester.c
+++ b/tester/complex_sip_call_tester.c
@@ -22,10 +22,6 @@
 #include "lpconfig.h"
 #include "private.h"
 
-#ifdef _MSC_VER
-#define popen _popen
-#define pclose _pclose
-#endif
 
 void check_rtcp(LinphoneCall *call) {
 	MSTimeSpec ts;
diff --git a/tester/liblinphone_tester.h b/tester/liblinphone_tester.h
index 7b52982cf..b9aa9052d 100644
--- a/tester/liblinphone_tester.h
+++ b/tester/liblinphone_tester.h
@@ -29,6 +29,12 @@
 #include "config.h"
 #endif
 
+
+#ifdef _MSC_VER
+#define popen _popen
+#define pclose _pclose
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif