diff --git a/src/OpenGL/libGLES_CM/Context.cpp b/src/OpenGL/libGLES_CM/Context.cpp
index b6f76c8..398c699 100644
--- a/src/OpenGL/libGLES_CM/Context.cpp
+++ b/src/OpenGL/libGLES_CM/Context.cpp
@@ -2852,7 +2852,8 @@
 
 void Context::blit(sw::Surface *source, const sw::SliceRect &sRect, sw::Surface *dest, const sw::SliceRect &dRect)
 {
-	device->blit(source, sRect, dest, dRect, false);
+	sw::SliceRectF sRectF((float)sRect.x0, (float)sRect.y0, (float)sRect.x1, (float)sRect.y1, sRect.slice);
+	device->blit(source, sRectF, dest, dRect, false);
 }
 
 void Context::finish()
diff --git a/src/OpenGL/libGLES_CM/Device.cpp b/src/OpenGL/libGLES_CM/Device.cpp
index 26f53bc..23c96f4 100644
--- a/src/OpenGL/libGLES_CM/Device.cpp
+++ b/src/OpenGL/libGLES_CM/Device.cpp
@@ -506,7 +506,8 @@
 		}
 		else
 		{
-			blit(source, sRect, dest, dRect, scaling && filter);
+			sw::SliceRectF sRectF((float)sRect.x0, (float)sRect.y0, (float)sRect.x1, (float)sRect.y1, sRect.slice);
+			blit(source, sRectF, dest, dRect, scaling && filter);
 		}
 
 		return true;