diff --git a/parse.y b/parse.y
index 2f66e6075..117684044 100644
--- a/parse.y
+++ b/parse.y
@@ -976,21 +976,21 @@ delay_value_simple
 		  delete[]$1;
 		}
 	| TIME_LITERAL
-		{
-			int unit;
+		{ int unit;
 
-			based_size = 0;
-			$$         = 0;
-			if ($1 == 0 || !get_time_unit($1, unit))
-				yyerror(@1, "internal error: delay.");
-			else {
-				double p = pow(10, unit - pform_get_timeunit());
-				double time = atof($1) * p;
+		  based_size = 0;
+		  $$         = 0;
+		  if ($1 == 0 || !get_time_unit($1, unit))
+			yyerror(@1, "internal error: delay.");
+		  else {
+			double p = pow(10.0,
+			               (double)(unit - pform_get_timeunit()));
+			double time = atof($1) * p;
 
-				verireal *v = new verireal(time);
-				$$ = new PEFNumber(v);
-				FILE_NAME($$, @1);
-			}
+			verireal *v = new verireal(time);
+			$$ = new PEFNumber(v);
+			FILE_NAME($$, @1);
+		  }
 		}
 	;