diff --git a/src/keyboard_control.cpp b/src/keyboard_control.cpp
index 0b6ca2698..e429783f4 100644
--- a/src/keyboard_control.cpp
+++ b/src/keyboard_control.cpp
@@ -344,6 +344,8 @@ static string get_keycode_representation(int64_t ch) {
         case K_DOWN: return "K_DOWN";
         case K_LEFT: return "K_LEFT";
         case K_RIGHT: return "K_RIGHT";
+        case K_PGUP: return "K_PGUP";
+        case K_PGDOWN: return "K_PGDOWN";
         }
 
         if (ch >= 1 && ch <= 'z' - 'a' + 1) {
diff --git a/src/keyboard_control.h b/src/keyboard_control.h
index 0006bb646..8d8664ff2 100644
--- a/src/keyboard_control.h
+++ b/src/keyboard_control.h
@@ -105,10 +105,12 @@ private:
 #endif // __cplusplus
 
 // values are byte represenations of escape sequences (without ESC itself)
-#define K_UP    0x1b5b41
-#define K_DOWN  0x1b5b42
-#define K_RIGHT 0x1b5b43
-#define K_LEFT  0x1b5b44
+#define K_UP     0x1b5b41
+#define K_DOWN   0x1b5b42
+#define K_RIGHT  0x1b5b43
+#define K_LEFT   0x1b5b44
+#define K_PGUP   0x1b5b357e
+#define K_PGDOWN 0x1b5b367e
 #define K_CTRL(x) (1 + ((x) >= 'A' && (x) <= 'Z' ? (x) - 'A' + 'a' : (x)) - 'a')
 #define K_CTRL_UP 0x1b5b313b3541LL
 #define K_CTRL_DOWN 0x1b5b313b3542LL
diff --git a/src/video_display/gl.cpp b/src/video_display/gl.cpp
index 7d8a9c332..0e18a3181 100644
--- a/src/video_display/gl.cpp
+++ b/src/video_display/gl.cpp
@@ -1014,6 +1014,8 @@ static int64_t translate_glut_to_ug(int key, bool is_special) {
                 case GLUT_KEY_UP: return K_UP;
                 case GLUT_KEY_RIGHT: return K_RIGHT;
                 case GLUT_KEY_DOWN: return K_DOWN;
+                case GLUT_KEY_PAGE_UP: return K_PGUP;
+                case GLUT_KEY_PAGE_DOWN: return K_PGDOWN;
                 }
         } else {
                 if (glutGetModifiers() == 0) {
diff --git a/src/video_display/sdl2.cpp b/src/video_display/sdl2.cpp
index a4aed603f..253f57323 100644
--- a/src/video_display/sdl2.cpp
+++ b/src/video_display/sdl2.cpp
@@ -226,6 +226,8 @@ static int64_t translate_sdl_key_to_ug(SDL_Keysym sym) {
         case SDLK_LEFT:  return K_LEFT;
         case SDLK_DOWN:  return K_DOWN;
         case SDLK_UP:    return K_UP;
+        case SDLK_PAGEDOWN:    return K_PGDOWN;
+        case SDLK_PAGEUP:    return K_PGUP;
         }
         return -1;
 }