diff --git a/src/extras/custompipes_d3d9.cpp b/src/extras/custompipes_d3d9.cpp
index 277a487d..a195a4cc 100644
--- a/src/extras/custompipes_d3d9.cpp
+++ b/src/extras/custompipes_d3d9.cpp
@@ -140,7 +140,7 @@ vehicleRenderCB(rw::Atomic *atomic, rw::d3d9::InstanceDataHeader *header)
 void
 CreateVehiclePipe(void)
 {
-	if(CFileMgr::LoadFile("neo/carTweakingTable.dat", work_buff, sizeof(work_buff), "r") == 0)
+	if(CFileMgr::LoadFile("neo/carTweakingTable.dat", work_buff, sizeof(work_buff), "r") <= 0)
 		printf("Error: couldn't open 'neo/carTweakingTable.dat'\n");
 	else{
 		char *fp = (char*)work_buff;
@@ -255,7 +255,7 @@ worldRenderCB(rw::Atomic *atomic, rw::d3d9::InstanceDataHeader *header)
 void
 CreateWorldPipe(void)
 {
-	if(CFileMgr::LoadFile("neo/worldTweakingTable.dat", work_buff, sizeof(work_buff), "r") == 0)
+	if(CFileMgr::LoadFile("neo/worldTweakingTable.dat", work_buff, sizeof(work_buff), "r") <= 0)
 		printf("Error: couldn't open 'neo/worldTweakingTable.dat'\n");
 	else
 		ReadTweakValueTable((char*)work_buff, WorldLightmapBlend);
@@ -501,7 +501,7 @@ rimSkinRenderCB(rw::Atomic *atomic, rw::d3d9::InstanceDataHeader *header)
 void
 CreateRimLightPipes(void)
 {
-	if(CFileMgr::LoadFile("neo/rimTweakingTable.dat", work_buff, sizeof(work_buff), "r") == 0)
+	if(CFileMgr::LoadFile("neo/rimTweakingTable.dat", work_buff, sizeof(work_buff), "r") <= 0)
 		printf("Error: couldn't open 'neo/rimTweakingTable.dat'\n");
 	else{
 		char *fp = (char*)work_buff;
diff --git a/src/extras/custompipes_gl.cpp b/src/extras/custompipes_gl.cpp
index 3faa31ef..5f372530 100644
--- a/src/extras/custompipes_gl.cpp
+++ b/src/extras/custompipes_gl.cpp
@@ -148,7 +148,7 @@ CreateVehiclePipe(void)
 	using namespace rw;
 	using namespace rw::gl3;
 
-	if(CFileMgr::LoadFile("neo/carTweakingTable.dat", work_buff, sizeof(work_buff), "r") == 0)
+	if(CFileMgr::LoadFile("neo/carTweakingTable.dat", work_buff, sizeof(work_buff), "r") <= 0)
 		printf("Error: couldn't open 'neo/carTweakingTable.dat'\n");
 	else{
 		char *fp = (char*)work_buff;
@@ -265,7 +265,7 @@ CreateWorldPipe(void)
 	using namespace rw;
 	using namespace rw::gl3;
 
-	if(CFileMgr::LoadFile("neo/worldTweakingTable.dat", work_buff, sizeof(work_buff), "r") == 0)
+	if(CFileMgr::LoadFile("neo/worldTweakingTable.dat", work_buff, sizeof(work_buff), "r") <= 0)
 		printf("Error: couldn't open 'neo/worldTweakingTable.dat'\n");
 	else
 		ReadTweakValueTable((char*)work_buff, WorldLightmapBlend);
@@ -534,7 +534,7 @@ CreateRimLightPipes(void)
 {
 	using namespace rw::gl3;
 
-	if(CFileMgr::LoadFile("neo/rimTweakingTable.dat", work_buff, sizeof(work_buff), "r") == 0)
+	if(CFileMgr::LoadFile("neo/rimTweakingTable.dat", work_buff, sizeof(work_buff), "r") <= 0)
 		printf("Error: couldn't open 'neo/rimTweakingTable.dat'\n");
 	else{
 		char *fp = (char*)work_buff;