diff --git a/src/asm/gameboy/yaccprt4.y b/src/asm/gameboy/yaccprt4.y
index 981f8657..6720f377 100644
--- a/src/asm/gameboy/yaccprt4.y
+++ b/src/asm/gameboy/yaccprt4.y
@@ -495,4 +495,4 @@ reg_rr			:	T_MODE_BC_IND		{ $$ = REG_BC_IND }
 				|	T_MODE_HL_INDDEC	{ $$ = REG_HL_INDDEC }
 ;
 
-%%
\ No newline at end of file
+%%
diff --git a/src/asm/yaccprt1.y b/src/asm/yaccprt1.y
index 1120e578..ddd88928 100644
--- a/src/asm/yaccprt1.y
+++ b/src/asm/yaccprt1.y
@@ -429,4 +429,4 @@ void	out_ZPByte( struct Expression *expr )
 %token	T_POP_PUSHS
 %token	T_POP_POPO
 %token	T_POP_PUSHO
-%token	T_POP_OPT
\ No newline at end of file
+%token	T_POP_OPT
diff --git a/src/asm/yaccprt3.y b/src/asm/yaccprt3.y
index 3707f4b5..e9a20c5a 100644
--- a/src/asm/yaccprt3.y
+++ b/src/asm/yaccprt3.y
@@ -529,4 +529,4 @@ string			:	T_STRING
 					{ strcpy($$,$3); strupr($$); }
 				|	T_OP_STRLWR '(' string ')'
 					{ strcpy($$,$3); strlwr($$); }
-;
\ No newline at end of file
+;