diff --git a/eeschema/eeschema.cpp b/eeschema/eeschema.cpp
index 8611ec6f38..c65f5f6b1b 100644
--- a/eeschema/eeschema.cpp
+++ b/eeschema/eeschema.cpp
@@ -163,6 +163,13 @@ PGM_BASE& Pgm()
     return *process;
 }
 
+// Similar to PGM_BASE& Pgm(), but return nullptr when a *.ki_face is run from
+// a python script or something else.
+PGM_BASE* PgmOrNull()
+{
+    return process;
+}
+
 
 bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
 {
diff --git a/eeschema/lib_pin.cpp b/eeschema/lib_pin.cpp
index 099de9c491..38b5e1bbd2 100644
--- a/eeschema/lib_pin.cpp
+++ b/eeschema/lib_pin.cpp
@@ -153,10 +153,23 @@ LIB_PIN::LIB_PIN( LIB_PART* aParent )
     m_attributes   = 0;                               // bit 0 != 0: pin invisible
     m_width        = 0;
 
-    LIBEDIT_SETTINGS* settings = Pgm().GetSettingsManager().GetAppSettings<LIBEDIT_SETTINGS>();
-    m_length       = Mils2iu( settings->m_Defaults.pin_length );
-    m_numTextSize  = Mils2iu( settings->m_Defaults.pin_num_size );
-    m_nameTextSize = Mils2iu( settings->m_Defaults.pin_name_size );
+    // Use the application settings for pin sizes if exists.
+    // pgm can be nullptr when running a shared lib from a script, not from a kicad appl
+    PGM_BASE* pgm  = PgmOrNull();
+
+    if( pgm )
+    {
+        LIBEDIT_SETTINGS* settings = pgm->GetSettingsManager().GetAppSettings<LIBEDIT_SETTINGS>();
+        m_length       = Mils2iu( settings->m_Defaults.pin_length );
+        m_numTextSize  = Mils2iu( settings->m_Defaults.pin_num_size );
+        m_nameTextSize = Mils2iu( settings->m_Defaults.pin_name_size );
+    }
+    else    // Use hardcoded eeschema defaults: libedit settings are not existing.
+    {
+        m_length       = Mils2iu( 100 );
+        m_numTextSize  = Mils2iu( 50 );
+        m_nameTextSize = Mils2iu( 50 );
+    }
 }
 
 
diff --git a/qa/eeschema/mocks_eeschema.cpp b/qa/eeschema/mocks_eeschema.cpp
index cd50c44b50..5aa9bf1b5c 100644
--- a/qa/eeschema/mocks_eeschema.cpp
+++ b/qa/eeschema/mocks_eeschema.cpp
@@ -113,6 +113,14 @@ PGM_BASE& Pgm()
     return program;
 }
 
+// Similar to PGM_BASE& Pgm(), but return nullptr when a *.ki_face is run from
+// a python script or something else.
+// Therefore here return always nullptr
+PGM_BASE* PgmOrNull()
+{
+    return nullptr;
+}
+
 
 KIFACE_I& Kiface()
 {