diff --git a/src/ds/ds-motion-common.cpp b/src/ds/ds-motion-common.cpp
index 0fc40e4223..29411081c3 100644
--- a/src/ds/ds-motion-common.cpp
+++ b/src/ds/ds-motion-common.cpp
@@ -173,7 +173,9 @@ namespace librealsense
             if (p->get_stream_type() == RS2_STREAM_ACCEL || p->get_stream_type() == RS2_STREAM_GYRO)
             {
                 auto motion = dynamic_cast<motion_stream_profile_interface*>(p.get());
-                assert(motion);
+                if (!motion)
+                    throw std::runtime_error("Stream profile is not motion stream profile");
+
                 auto st = p->get_stream_type();
                 motion->set_intrinsics([this, st]() { return get_motion_intrinsics(st); });
             }
diff --git a/src/fw-logs/fw-logs-parser.cpp b/src/fw-logs/fw-logs-parser.cpp
index 1a8228744f..d801603a55 100644
--- a/src/fw-logs/fw-logs-parser.cpp
+++ b/src/fw-logs/fw-logs-parser.cpp
@@ -27,7 +27,7 @@ namespace librealsense
 
         fw_log_data fw_logs_parser::parse_fw_log(const fw_logs_binary_data* fw_log_msg) 
         {
-            fw_log_data log_data;
+            fw_log_data log_data = fw_log_data();
 
             if (!fw_log_msg || fw_log_msg->logs_buffer.size() == 0)
                 return log_data;
diff --git a/src/gl/align-gl.cpp b/src/gl/align-gl.cpp
index 1ce9bcc9ee..e614305e66 100644
--- a/src/gl/align-gl.cpp
+++ b/src/gl/align-gl.cpp
@@ -62,7 +62,12 @@ void align_gl::align_z_to_other(rs2::video_frame& aligned,
     auto p = _pc->calculate(depth);
 
     auto frame_ref = dynamic_cast<librealsense::depth_frame*>((librealsense::frame_interface*)aligned.get());
+    if (!frame_ref)
+        throw std::runtime_error("Frame is not depth frame, cannot cast");
+
     auto gf = dynamic_cast<gpu_addon_interface*>(frame_ref);
+    if (!gf)
+        throw std::runtime_error("Frame is not gpu_addon_interface, cannot output texture");
 
     gf->get_gpu_section().set_size(width, height);
 
diff --git a/src/gl/upload.cpp b/src/gl/upload.cpp
index 172f91b45d..2adc97f31c 100644
--- a/src/gl/upload.cpp
+++ b/src/gl/upload.cpp
@@ -75,8 +75,11 @@ namespace librealsense
                     if (new_f) perform_gl_action([&]()
                     {
                         auto gf = dynamic_cast<gpu_addon_interface*>((frame_interface*)new_f.get());
+                        if (!gf)
+                            throw std::runtime_error("Frame is not gpu_addon_interface, cannot output texture");
 
                         uint32_t output_yuv;
+
                         gf->get_gpu_section().output_texture(0, &output_yuv, TEXTYPE_UINT16);
                         glBindTexture(GL_TEXTURE_2D, output_yuv);
                         glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, width, height, 0, GL_RG, GL_UNSIGNED_BYTE, f.get_data());
diff --git a/src/software-sensor.cpp b/src/software-sensor.cpp
index 877a6d7130..d86e15ba5a 100644
--- a/src/software-sensor.cpp
+++ b/src/software-sensor.cpp
@@ -243,6 +243,10 @@ frame_interface * software_sensor::allocate_new_video_frame( video_stream_profil
     if( frame )
     {
         auto vid_frame = dynamic_cast< video_frame * >( frame );
+
+        if (!vid_frame)
+            throw std::runtime_error("Frame is not video frame");
+
         vid_frame->assign( profile->get_width(), profile->get_height(), stride, bpp * 8 );
         auto sd = dynamic_cast< software_device * >( _owner );
         sd->register_extrinsic( *profile );