diff --git a/tests/regression/parser/xpressn-1.cir b/tests/regression/parser/xpressn-1.cir
index a680633cd..99ce7f432 100644
--- a/tests/regression/parser/xpressn-1.cir
+++ b/tests/regression/parser/xpressn-1.cir
@@ -387,6 +387,14 @@ v1115_g  n1115_g 0  '2.1'
 v1116_g  n1116_g 0  '2.1'
 
 
+* ----------------------------------------
+
+v1117_t  n1117_t 0  'log10(10.0)'
+v1118_t  n1118_t 0  'log10(0.5)'
+
+v1117_g  n1117_g 0  '1.0'
+v1118_g  n1118_g 0  '-0.3010299956639812'
+
 * ----------------------------------------
 
 .control
@@ -398,7 +406,7 @@ op
 let total_count = 0
 let fail_count = 0
 
-let tests = 1001 + vector(116)
+let tests = 1001 + vector(118)
 
 foreach n $&tests
   set n_test = "n{$n}_t"