diff --git a/wrappers/matlab/disparity_transform.m b/wrappers/matlab/disparity_transform.m
index 0d1b1844d5..2ba613e50e 100644
--- a/wrappers/matlab/disparity_transform.m
+++ b/wrappers/matlab/disparity_transform.m
@@ -8,6 +8,7 @@
             else
                 validateattributes(transform_to_disparity, {'logical', 'numeric'}, {'scalar', 'real'});
                 out = realsense.librealsense_mex('rs2::disparity_transform', 'new', logical(transform_to_disparity));
+            end
             this = this@realsense.process_interface(out);
         end
         
diff --git a/wrappers/matlab/frameset.m b/wrappers/matlab/frameset.m
index d3d8037056..b8af681d6c 100644
--- a/wrappers/matlab/frameset.m
+++ b/wrappers/matlab/frameset.m
@@ -29,8 +29,13 @@
             ret = realsense.librealsense_mex('rs2::frameset', 'get_color_frame', this.objectHandle);
             color_frame = realsense.video_frame(ret);
         end
-        function infrared_frame = get_infrared_frame(this)
-            ret = realsense.librealsense_mex('rs2::frameset', 'get_infrared_frame', this.objectHandle);
+        function infrared_frame = get_infrared_frame(this, index)
+            if (nargin == 1)
+                ret = realsense.librealsense_mex('rs2::frameset', 'get_infrared_frame', this.objectHandle);
+            else
+                validateattributes(index, {'numeric'}, {'scalar', 'nonnegative', 'real', 'integer', '<=', 2}, '', 'index', 2);
+                ret = realsense.librealsense_mex('rs2::frameset', 'get_infrared_frame', this.objectHandle, int64_t(index));
+            end
             infrared_frame = realsense.video_frame(ret);
         end
         function size = get_size(this)
diff --git a/wrappers/matlab/librealsense_mex.cpp b/wrappers/matlab/librealsense_mex.cpp
index b13d45e48a..c435202654 100644
--- a/wrappers/matlab/librealsense_mex.cpp
+++ b/wrappers/matlab/librealsense_mex.cpp
@@ -451,11 +451,16 @@ void make_factory(){
             // try/catch moved to outer framework
             outv[0] = MatlabParamParser::wrap(thiz.get_color_frame());
         });
-        frameset_factory.record("get_infrared_frame", 1, 1, [](int outc, mxArray* outv[], int inc, const mxArray* inv[])
+        frameset_factory.record("get_infrared_frame", 1, 1, 2, [](int outc, mxArray* outv[], int inc, const mxArray* inv[])
         {
             auto thiz = MatlabParamParser::parse<rs2::frameset>(inv[0]);
             // try/catch moved to outer framework
-            outv[0] = MatlabParamParser::wrap(thiz.get_infrared_frame());
+            if (inc == 1)
+                outv[0] = MatlabParamParser::wrap(thiz.get_infrared_frame());
+            else {
+                auto index = MatlabParamParser::parse<size_t>(inv[1]);
+                outv[0] = MatlabParamParser::wrap(thiz.get_infrared_frame(index));
+            }
         });
         frameset_factory.record("size", 1, 1, [](int outc, mxArray* outv[], int inc, const mxArray* inv[])
         {
@@ -898,10 +903,10 @@ void make_factory(){
         frame_queue_factory.record("wait_for_frame", 1, 1, 2, [](int outc, mxArray* outv[], int inc, const mxArray* inv[])
         {
             auto thiz = MatlabParamParser::parse<rs2::frame_queue>(inv[0]);
-            if (inc == 0) {
+            if (inc == 1) {
                 outv[0] = MatlabParamParser::wrap(thiz.wait_for_frame());
             }
-            else if (inc == 1) {
+            else if (inc == 2) {
                 auto timeout_ms = MatlabParamParser::parse<unsigned int>(inv[1]);
                 outv[0] = MatlabParamParser::wrap(thiz.wait_for_frame(timeout_ms));
             }
@@ -953,10 +958,10 @@ void make_factory(){
         syncer_factory.record("wait_for_frames", 1, 1, 2, [](int outc, mxArray* outv[], int inc, const mxArray* inv[])
         {
             auto thiz = MatlabParamParser::parse<rs2::syncer>(inv[0]);
-            if (inc == 0) {
+            if (inc == 1) {
                 outv[0] = MatlabParamParser::wrap(thiz.wait_for_frames());
             }
-            else if (inc == 1) {
+            else if (inc == 2) {
                 auto timeout_ms = MatlabParamParser::parse<unsigned int>(inv[1]);
                 outv[0] = MatlabParamParser::wrap(thiz.wait_for_frames(timeout_ms));
             }
diff --git a/wrappers/matlab/pipeline_profile.m b/wrappers/matlab/pipeline_profile.m
index 2acf449ec3..9f00586b9d 100644
--- a/wrappers/matlab/pipeline_profile.m
+++ b/wrappers/matlab/pipeline_profile.m
@@ -27,7 +27,7 @@ function delete(this)
             narginchk(2, 3);
             validateattributes(stream_type, {'realsense.stream', 'numeric'}, {'scalar', 'nonnegative', 'real', 'integer', '<=', realsense.stream.count}, '', 'stream_type', 2);
             if nargin == 2
-                out = realsense.librealsense_mex('rs2::pipeline_profile', 'get_streams', this.objectHandle, int64(stream_type));
+                out = realsense.librealsense_mex('rs2::pipeline_profile', 'get_stream', this.objectHandle, int64(stream_type));
             else
                 validateattributes(stream_index, {'numeric'}, {'scalar', 'nonnegative', 'real', 'integer'}, '', 'stream_index', 3);
                 out = realsense.librealsense_mex('rs2::pipeline_profile', 'get_stream', this.objectHandle, int64(stream_type), int64(stream_index));
diff --git a/wrappers/matlab/stream_profile.m b/wrappers/matlab/stream_profile.m
index 4453d445f9..ce47a9ad5b 100644
--- a/wrappers/matlab/stream_profile.m
+++ b/wrappers/matlab/stream_profile.m
@@ -42,7 +42,7 @@ function delete(this)
             validateattributes(index, {'numeric'}, {'scalar', 'nonnegative', 'real', 'integer'}, '', 'index', 3);
             validateattributes(fmt, {'realsense.format', 'numeric'}, {'scalar', 'nonnegative', 'real', 'integer', '<=', realsense.format.count}, '', 'fmt', 4);
             out = realsense.librealsense_mex('rs2::stream_profile', 'clone', this.objectHandle, int64(type), int64(index), int64(fmt));
-            realsense.stream_profile(out{:});
+            profile = realsense.stream_profile(out{:});
         end
         function value = is(this, type)
             narginchk(2, 2);