diff --git a/tests/bsim4/nmos/qaSpec b/tests/bsim4/nmos/qaSpec
index b6dcb3fc9..053642141 100644
--- a/tests/bsim4/nmos/qaSpec
+++ b/tests/bsim4/nmos/qaSpec
@@ -210,7 +210,7 @@ freq                        dec 10 1e3 1e8
 outputs                     C(g,g) C(g,s) C(g,d)
 instanceParameters          w=10.0e-6 l=0.06e-6
 modelParameters             parameters/nmosParameters
-modelParameters             modmod=1
+modelParameters             mobmod=1
 
 test                        acFreq_capmod
 temperature                 27
diff --git a/tests/bsim4/pmos/qaSpec b/tests/bsim4/pmos/qaSpec
index ef2ebd2c9..faa6503f2 100644
--- a/tests/bsim4/pmos/qaSpec
+++ b/tests/bsim4/pmos/qaSpec
@@ -210,7 +210,7 @@ freq                        dec 10 1e3 1e8
 outputs                     C(g,g) C(g,s) C(g,d)
 instanceParameters          w=10.0e-6 l=0.06e-6
 modelParameters             parameters/pmosParameters
-modelParameters             modmod=1
+modelParameters             mobmod=1
 
 test                        acFreq_capmod
 temperature                 27