diff --git a/src/modules/graphics/opengl/GLBuffer.cpp b/src/modules/graphics/opengl/GLBuffer.cpp
index 3d76e9dc0..679a4794b 100644
--- a/src/modules/graphics/opengl/GLBuffer.cpp
+++ b/src/modules/graphics/opengl/GLBuffer.cpp
@@ -264,7 +264,7 @@ QuadIndices::QuadIndices(size_t size)
 		}
 		catch (std::bad_alloc &)
 		{
-			delete[] newbuffer;
+			delete newbuffer;
 			delete[] newindices;
 			throw love::Exception("Out of memory.");
 		}
diff --git a/src/modules/image/wrap_ImageData.lua b/src/modules/image/wrap_ImageData.lua
index 53ba0e964..2f1ee5f28 100644
--- a/src/modules/image/wrap_ImageData.lua
+++ b/src/modules/image/wrap_ImageData.lua
@@ -27,6 +27,7 @@ local ImageData = ImageData_mt.__index
 
 local tonumber, assert, error = tonumber, assert, error
 local type, pcall = type, pcall
+local floor = math.floor
 
 local function inside(x, y, w, h)
 	return x >= 0 and x < w and y >= 0 and y < h
@@ -204,6 +205,11 @@ function ImageData:_mapPixelUnsafe(func, ix, iy, iw, ih)
 	local p = objectcache[self]
 	local idw, idh = p.width, p.height
 
+	ix = floor(ix)
+	iy = floor(iy)
+	iw = floor(iw)
+	ih = floor(ih)
+
 	local pixels = p.pointer
 	local tolua = p.tolua
 	local fromlua = p.fromlua
@@ -221,6 +227,9 @@ function ImageData:getPixel(x, y)
 	if type(x) ~= "number" then error("bad argument #1 to ImageData:getPixel (expected number)", 2) end
 	if type(y) ~= "number" then error("bad argument #2 to ImageData:getPixel (expected number)", 2) end
 
+	x = floor(x)
+	y = floor(y)
+
 	local p = objectcache[self]
 	if not inside(x, y, p.width, p.height) then error("Attempt to get out-of-range pixel!", 2) end
 
@@ -236,6 +245,9 @@ function ImageData:setPixel(x, y, r, g, b, a)
 	if type(x) ~= "number" then error("bad argument #1 to ImageData:setPixel (expected number)", 2) end
 	if type(y) ~= "number" then error("bad argument #2 to ImageData:setPixel (expected number)", 2) end
 
+	x = floor(x)
+	y = floor(y)
+
 	if type(r) == "table" then
 		local t = r
 		r, g, b, a = t[1], t[2], t[3], t[4]
diff --git a/src/modules/sound/wrap_SoundData.lua b/src/modules/sound/wrap_SoundData.lua
index 023236a17..2a4d95f49 100644
--- a/src/modules/sound/wrap_SoundData.lua
+++ b/src/modules/sound/wrap_SoundData.lua
@@ -35,6 +35,7 @@ local status, ffi = pcall(require, "ffi")
 if not status then return end
 
 local tonumber, assert, error = tonumber, assert, error
+local floor = math.floor
 
 local float = ffi.typeof("float")
 local datatypes = {ffi.typeof("uint8_t *"), ffi.typeof("int16_t *")}
@@ -78,6 +79,8 @@ local objectcache = setmetatable({}, {
 function SoundData:getSample(i)
 	if type(i) ~= "number" then error("bad argument #1 to SoundData:getSample (expected number)", 2) end
 
+	i = floor(i)
+
 	local p = objectcache[self]
 
 	if not (i >= 0 and i < p.size/p.bytedepth) then
@@ -97,6 +100,8 @@ function SoundData:setSample(i, sample)
 	if type(i) ~= "number" then error("bad argument #1 to SoundData:setSample (expected number)", 2) end
 	if type(sample) ~= "number" then error("bad argument #2 to SoundData:setSample (expected number)", 2) end
 
+	i = floor(i)
+
 	local p = objectcache[self]
 
 	if not (i >= 0 and i < p.size/p.bytedepth) then