diff --git a/src/strings.cpp b/src/strings.cpp
index 88cd91f5f8..264947e916 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -1481,7 +1481,7 @@ void CheckForMissingGlyphsInLoadedLanguagePack()
 					 * exactly three characters, so it replaces the "XXX" with
 					 * the color marker.
 					 */
-					static char *err_str = strdup("XXXThe current font misses characters used in the strings for this language. Read the readme to see how to solve this.");
+					static char *err_str = strdup("XXXThe current font is missing some of the characters used in the texts for this language. Read the readme to see how to solve this.");
 					Utf8Encode(err_str, SCC_YELLOW);
 					StringID err_msg = BindCString(err_str);
 					ShowErrorMessage(INVALID_STRING_ID, err_msg, 0, 0);
diff --git a/src/terraform_gui.cpp b/src/terraform_gui.cpp
index b078261b4f..4ca40c9fd1 100644
--- a/src/terraform_gui.cpp
+++ b/src/terraform_gui.cpp
@@ -109,7 +109,7 @@ bool GUIPlaceProcDragXY(const WindowEvent *e)
 			DoCommandP(end_tile, start_tile, 1, CcTerraform, CMD_LEVEL_LAND| CMD_MSG(STR_0808_CAN_T_RAISE_LAND_HERE));
 			break;
 		case DDSP_LOWER_AND_LEVEL_AREA:
-			DoCommandP(end_tile, start_tile, -1, CcTerraform, CMD_LEVEL_LAND | CMD_MSG(STR_0809_CAN_T_LOWER_LAND_HERE));
+			DoCommandP(end_tile, start_tile, (uint32)-1, CcTerraform, CMD_LEVEL_LAND | CMD_MSG(STR_0809_CAN_T_LOWER_LAND_HERE));
 			break;
 		case DDSP_LEVEL_AREA:
 			DoCommandP(end_tile, start_tile, 0, CcPlaySound10, CMD_LEVEL_LAND);