diff --git a/indra/newview/llfloaterworldmap.cpp b/indra/newview/llfloaterworldmap.cpp
index 823c8e7911323823037fae3585d3413ed7bc5c61..412011e76ade31ab76b0602211925edb6028e2b7 100644
--- a/indra/newview/llfloaterworldmap.cpp
+++ b/indra/newview/llfloaterworldmap.cpp
@@ -457,7 +457,7 @@ void LLFloaterWorldMap::draw()
 		{
 			F64 seconds = LLTimer::getElapsedSeconds();
 			double value = fmod(seconds, 2);
-			value = 0.5 + 0.5*cos(value * M_PI);
+			value = 0.5 + 0.5*cos(value * F_PI);
 			LLColor4 loading_color(0.0, F32(value/2), F32(value), 1.0);
 			childSetColor("location_icon", loading_color);
 		}
diff --git a/indra/newview/llworldmapview.cpp b/indra/newview/llworldmapview.cpp
index 0509898f40fe5320af98a12f79189ddef74a57ce..9a249d14f8f6ab293f6a4c44246cdf08c00a411f 100644
--- a/indra/newview/llworldmapview.cpp
+++ b/indra/newview/llworldmapview.cpp
@@ -822,7 +822,7 @@ void LLWorldMapView::draw()
 		else
 		{
 			double value = fmod(current_time, 2);
-			value = 0.5 + 0.5*cos(value * M_PI);
+			value = 0.5 + 0.5*cos(value * F_PI);
 			LLColor4 loading_color(0.0, F32(value/2), F32(value), 1.0);
 			drawTracking( LLWorldMap::getInstance()->mUnknownLocation, loading_color, TRUE, getString("Loading"), "");
 		}