--- a/src/printdlg.c
+++ b/src/printdlg.c
@@ -484,11 +484,11 @@ static WNDPROC old_edit_proc;
 #define MM(n) (int)((n * 720 + 127) / 254)
 #define IN(n) (int)(n * 72)
 
-typedef struct PAGE_SIZE {
+typedef struct {
     int width, height;
-} PAGE_SIZE;
+} page_size;
 
-static const PAGE_SIZE PageSizes [NPageSize] = 
+static const page_size PageSizes [NPageSize] = 
 {
     {  MM(210), MM(297) },      // A4
     {  MM(176), MM(250) },      // B5
--- a/src/printing.c
+++ b/src/printing.c
@@ -46,11 +46,11 @@
 #define MM(n) (int)((n * 720 + 127) / 254)
 #define IN(n) (int)(n * 72)
 
-typedef struct PAGE_SIZE {
+typedef struct {
     int width, height;
-} PAGE_SIZE;
+} page_size;
 
-static const PAGE_SIZE PageSizes [NPageSize] = 
+static const page_size PageSizes [NPageSize] = 
 {
     {  MM(210), MM(297) },      // A4
     {  MM(176), MM(250) },      // B5