diff --git a/src/include/ngspice/defines.h b/src/include/ngspice/defines.h
index 98663e245..99c28c302 100644
--- a/src/include/ngspice/defines.h
+++ b/src/include/ngspice/defines.h
@@ -74,7 +74,7 @@
 /* Alternate initialisation file name */
 #define ALT_INITSTR	"spice.rc"	
 
-#if defined(__MINGW32__) || defined(_MSC_VER)
+#if defined(__MINGW32__) || defined(_MSC_VER) || defined (HAS_WINGUI)
 #define DIR_PATHSEP	"\\"
 #define DIR_TERM	'\\'
 #define DIR_PATHSEP_LINUX	"/"
diff --git a/src/winmain.c b/src/winmain.c
index cf36fdbf8..5fe1d01b9 100644
--- a/src/winmain.c
+++ b/src/winmain.c
@@ -1384,8 +1384,9 @@ int system( const char * command)
 } // system Windows95
 #endif
 */
+#ifdef __CYGWIN__
 /* Strip leading spaces, return a copy of s */
-/*static char* rlead(char *s)
+static char* rlead(char *s)
 {
    int i,j=0;
    static char temp[512];
@@ -1406,7 +1407,7 @@ int system( const char * command)
    temp[j] = '\0';
    return copy(temp);
 } 
-*/
+#endif
 
 void winmessage(char* new_msg)
 {
diff --git a/src/winmain.h b/src/winmain.h
index fc4944b7a..657a3c41d 100644
--- a/src/winmain.h
+++ b/src/winmain.h
@@ -5,7 +5,9 @@
 /* Forward definition of main() */
 int xmain( int argc, char * argv[]);
 /* forward of Update function */
-//static char* rlead(char*);
+#ifdef __CYGWIN__
+static char* rlead(char*);
+#endif
 void winmessage(char*);
 
 static void HistoryInit(void);