diff --git a/pokerth_game.pro b/pokerth_game.pro
index a17d2eea..f21bbd52 100644
--- a/pokerth_game.pro
+++ b/pokerth_game.pro
@@ -222,7 +222,7 @@ win32{
 
 	LIBS += -lpokerth_lib
 	LIBS += -lgdi32 -lcomdlg32 -loleaut32 -limm32 -lwinmm -lwinspool -lole32 -luuid -luser32 -lmsimg32 -lshell32 -lkernel32 -lws2_32 -ladvapi32 -lsdl -lsdlmain -lsdl_mixer
-	exists( ../boost/stage/lib/boost_thread-mgw34-mt-1_34_1.a ){
+	exists( ../boost/stage/lib/libboost_thread-mgw34-mt-1_34_1.a ){
 		LIBS += -lboost_thread-mgw34-mt-1_34_1
 	}
 	RC_FILE = pokerth.rc
diff --git a/pokerth_server.pro b/pokerth_server.pro
index ea18e7e9..5f06f3dc 100644
--- a/pokerth_server.pro
+++ b/pokerth_server.pro
@@ -106,7 +106,7 @@ win32{
 
 	LIBS += -lpokerth_lib
 	LIBS += -lgdi32 -lcomdlg32 -loleaut32 -limm32 -lwinmm -lwinspool -lole32 -luuid -luser32 -lmsimg32 -lshell32 -lkernel32 -lws2_32 -ladvapi32
-	exists( ../boost/stage/lib/boost_thread-mgw34-mt-1_34_1.a ){
+	exists( ../boost/stage/lib/libboost_thread-mgw34-mt-1_34_1.a ){
 		LIBS += -lboost_thread-mgw34-mt-1_34_1
 	}
 }