--- speech_tools/base_class/rateconv.cc
+++ speech_tools/base_class/rateconv.cc
@@ -384,7 +384,8 @@
 	    }
 	    fir_stereo(inp + inoffset + inbaseidx,
 		       coep + cycctr * firlen, firlen,
-		       outp + outidx++, outp + outidx++);
+		       outp + outidx, outp + outidx + 1);
+		       outidx += 2;
 	    cycctr++;
 	    if (!(cycctr %= up))
 		inbaseidx += 2*down;
--- speech_tools/include/EST_TSimpleVector.h
+++ speech_tools/include/EST_TSimpleVector.h
@@ -74,7 +74,7 @@
     void zero(void);
 
     //    /// Fill vector with default value
-    //    void empty(void) { if (*this->def_val == 0) zero(); else fill(*this->def_val); }
+    //    void empty(void) { if (*this->def_val == 0) zero(); else this->fill(*this->def_val); }
 };
 
 #endif