diff --git a/src/interpret.h b/src/interpret.h
index 9005a78cb7fa20c1ce0f544dd41116297e001694..0e80c689df6bcbf45ff6c40179b08fab14f420b3 100644
--- a/src/interpret.h
+++ b/src/interpret.h
@@ -5,7 +5,7 @@
 \*/
 
 /*
- * $Id: interpret.h,v 1.36 2000/02/17 00:31:10 hubbe Exp $
+ * $Id: interpret.h,v 1.37 2000/02/29 03:17:24 hubbe Exp $
  */
 #ifndef INTERPRET_H
 #define INTERPRET_H
@@ -36,7 +36,7 @@ struct pike_frame
 
 #ifdef PIKE_DEBUG
 #define debug_check_stack() do{if(Pike_sp<Pike_evaluator_stack)fatal("Stack error.\n");}while(0)
-#define check__positive(X,Y) if((X)<0) fatal(Y)
+#define check__positive(X,Y) if((X)<0) fatal Y
 #include "error.h"
 #else
 #define check__positive(X,Y)
@@ -67,7 +67,7 @@ struct pike_frame
 
 #define pop_n_elems(X)						\
  do { int x_=(X); if(x_) { 					\
-   check__positive(x_,"Popping negative number of args....\n");	\
+   check__positive(x_,("Popping negative number of args.... (%d) \n",x_)); \
    Pike_sp-=x_; debug_check_stack();					\
   free_svalues(Pike_sp,x_,BIT_MIXED);				\
  } } while (0)
@@ -244,3 +244,4 @@ extern long long time_base;
 
 #endif
 
+