3 files changed, 10 insertions, 6 deletions
diff --git a/engines/glk/magnetic/glk.cpp b/engines/glk/magnetic/glk.cpp
index 7b70fa3976..1c0a366671 100644
--- a/engines/glk/magnetic/glk.cpp
+++ b/engines/glk/magnetic/glk.cpp
@@ -3980,13 +3980,17 @@ void Magnetic::writeChar(char c) {
 }
 
 void Magnetic::script_write(type8 c) {
-	if (log_on == 2)
-		log1->writeByte(c);
+	if (log_on == 2) {
+		if (_log1) {
+			_log1->writeByte(c);
+		}
+	}
 }
 
 void Magnetic::transcript_write(type8 c) {
-	if (log2)
-		log2->writeByte(c);
+	if (_log2) {
+		_log2->writeByte(c);
+	}
 }
 
 } // End of namespace Magnetic
diff --git a/engines/glk/magnetic/magnetic.cpp b/engines/glk/magnetic/magnetic.cpp
index 581d246acf..9e909bc498 100644
--- a/engines/glk/magnetic/magnetic.cpp
+++ b/engines/glk/magnetic/magnetic.cpp
@@ -64,7 +64,7 @@ Magnetic::Magnetic(OSystem *syst, const GlkGameDescription &gameDesc) : GlkAPI(s
 		pos_table_index(-1), pos_table_max(-1), anim_repeat(0)
 #endif
 		, hints(nullptr), hint_contents(nullptr), xpos(0), bufpos(0), log_on(0),
-		ms_gfx_enabled(0), log1(nullptr), log2(nullptr), GMS_LUMINANCE_WEIGHTS(299, 587, 114),
+		ms_gfx_enabled(0), _log1(nullptr), _log2(nullptr), GMS_LUMINANCE_WEIGHTS(299, 587, 114),
 		linear_gamma(nullptr), pic_current_crc(0), hints_current_crc(0),
 		hints_crc_initialized(false), _saveData(nullptr), _saveSize(0) {
 
diff --git a/engines/glk/magnetic/magnetic.h b/engines/glk/magnetic/magnetic.h
index a3ea9ceee4..c19ef9c8b5 100644
--- a/engines/glk/magnetic/magnetic.h
+++ b/engines/glk/magnetic/magnetic.h
@@ -259,7 +259,7 @@ private:
 	size_t _saveSize;
 private:
 	type8 buffer[80], xpos, bufpos, log_on, ms_gfx_enabled, filename[256];
-	Common::DumpFile *log1, *log2;
+	Common::DumpFile *_log1, *_log2;
 private:
 	/* Method local statics in original code */
 	glui32 crc_table[BYTE_MAX_VAL + 1];