diff --git a/src/frontend/spec.c b/src/frontend/spec.c
index 935d518eb..bfbbe5c25 100644
--- a/src/frontend/spec.c
+++ b/src/frontend/spec.c
@@ -257,6 +257,9 @@ com_spec(wordlist *wl)
 	         fdvec[i][j].cx_imag += value*sina;
           }
        }
+#ifdef HAS_WINDOWS
+       SetAnalyse( "spec", (int)(j * 100/ fpts));
+#endif          
     }
     if (startf==0) {
        freq[0] = 0;
diff --git a/src/frontend/spec.h b/src/frontend/spec.h
index 1cec3757a..7e7c8cc60 100644
--- a/src/frontend/spec.h
+++ b/src/frontend/spec.h
@@ -5,8 +5,11 @@
 
 #ifndef SPEC_H_INCLUDED
 #define SPEC_H_INCLUDED
+
+#ifdef HAS_WINDOWS    
+extern void SetAnalyse( char * Analyse, int Percent);
+#endif
 
 void com_spec(wordlist *wl);
 
-
 #endif