diff --git a/src/add-ons/accelerants/matrox/engine/mga_support.c b/src/add-ons/accelerants/matrox/engine/mga_support.c
index 5b396227dd..a943544953 100644
--- a/src/add-ons/accelerants/matrox/engine/mga_support.c
+++ b/src/add-ons/accelerants/matrox/engine/mga_support.c
@@ -33,6 +33,7 @@ void mga_log(char *fmt, ...)
 
 	va_start(args,fmt);
 	vsprintf (buffer, fmt, args);
+	va_end(args);
 	fprintf(myhand, "%s", buffer);
 	fclose(myhand);
 }
diff --git a/src/add-ons/accelerants/neomagic/engine/nm_support.c b/src/add-ons/accelerants/neomagic/engine/nm_support.c
index 533d84d565..f02bf71a62 100644
--- a/src/add-ons/accelerants/neomagic/engine/nm_support.c
+++ b/src/add-ons/accelerants/neomagic/engine/nm_support.c
@@ -29,6 +29,7 @@ void nm_log(char *fmt, ...)
 
 	va_start(args,fmt);
 	vsprintf (buffer, fmt, args);
+	va_end(args);
 	fprintf(myhand, "%s", buffer);
 	fclose(myhand);
 }