diff --git a/src/db/db/dbNetlistSpiceWriter.cc b/src/db/db/dbNetlistSpiceWriter.cc
index 0a06a87ab..e2c7586fa 100644
--- a/src/db/db/dbNetlistSpiceWriter.cc
+++ b/src/db/db/dbNetlistSpiceWriter.cc
@@ -147,8 +147,8 @@ void NetlistSpiceWriterDelegate::write_device (const db::Device &dev) const
 
     os << " L=" << tl::sprintf ("%.12gU", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_L));
     os << " W=" << tl::sprintf ("%.12gU", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_W));
-    os << " AS=" << tl::sprintf ("%.12gU", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_AS));
-    os << " AD=" << tl::sprintf ("%.12gU", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_AD));
+    os << " AS=" << tl::sprintf ("%.12gP", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_AS));
+    os << " AD=" << tl::sprintf ("%.12gP", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_AD));
     os << " PS=" << tl::sprintf ("%.12gU", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_PS));
     os << " PD=" << tl::sprintf ("%.12gU", dev.parameter_value (db::DeviceClassMOS3Transistor::param_id_PD));
 
diff --git a/testdata/algo/nwriter5_au.txt b/testdata/algo/nwriter5_au.txt
index 3c1b7df3c..123eb9eac 100644
--- a/testdata/algo/nwriter5_au.txt
+++ b/testdata/algo/nwriter5_au.txt
@@ -10,7 +10,7 @@
 * net 3 n3
 * net 4 n4
 * device instance $1 0,0 M3CLS
-M$1 1 4 3 1 MM3CLS L=0.25U W=0.18U AS=1.2U AD=0.75U PS=2.2U PD=1.75U
+M$1 1 4 3 1 MM3CLS L=0.25U W=0.18U AS=1.2P AD=0.75P PS=2.2U PD=1.75U
 * device instance $2 0,0 M3CLS
-M$2 3 4 2 3 MM3CLS L=1.4U W=0.25U AS=1.3U AD=0.85U PS=2.3U PD=1.85U
+M$2 3 4 2 3 MM3CLS L=1.4U W=0.25U AS=1.3P AD=0.85P PS=2.3U PD=1.85U
 .ENDS C1
diff --git a/testdata/algo/nwriter6_au.txt b/testdata/algo/nwriter6_au.txt
index 50133a5d9..33ef8c225 100644
--- a/testdata/algo/nwriter6_au.txt
+++ b/testdata/algo/nwriter6_au.txt
@@ -12,7 +12,7 @@
 * net 4 n4
 * net 5 n5
 * device instance $1 0,0 M4CLS
-M$1 1 4 3 5 MM4CLS L=0.25U W=0.18U AS=1.2U AD=0.75U PS=2.2U PD=1.75U
+M$1 1 4 3 5 MM4CLS L=0.25U W=0.18U AS=1.2P AD=0.75P PS=2.2U PD=1.75U
 * device instance $2 0,0 M4CLS
-M$2 3 4 2 5 MM4CLS L=1.4U W=0.25U AS=1.3U AD=0.85U PS=2.3U PD=1.85U
+M$2 3 4 2 5 MM4CLS L=1.4U W=0.25U AS=1.3P AD=0.85P PS=2.3U PD=1.85U
 .ENDS C1
diff --git a/testdata/algo/nwriter8_au.txt b/testdata/algo/nwriter8_au.txt
index 812ebff0f..7b3e360df 100644
--- a/testdata/algo/nwriter8_au.txt
+++ b/testdata/algo/nwriter8_au.txt
@@ -28,7 +28,7 @@ XSC2 3 2 4 3 C1
 * net 4 n4
 * net 5 n5
 * device instance $1 0,0 M4CLS
-M$1 1 4 3 5 MM4CLS L=0.25U W=0.18U AS=1.2U AD=0.75U PS=2.2U PD=1.75U
+M$1 1 4 3 5 MM4CLS L=0.25U W=0.18U AS=1.2P AD=0.75P PS=2.2U PD=1.75U
 * device instance $2 0,0 M4CLS
-M$2 3 4 2 5 MM4CLS L=1.4U W=0.25U AS=1.3U AD=0.85U PS=2.3U PD=1.85U
+M$2 3 4 2 5 MM4CLS L=1.4U W=0.25U AS=1.3P AD=0.85P PS=2.3U PD=1.85U
 .ENDS C1