diff --git a/.travis.yml b/.travis.yml
index beb9f1b..6b0918d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -65,7 +65,7 @@ script:
   - cmake -D CMAKE_BUILD_TYPE=RELEASE .. 
   - make -j2
   - ../build/bin/FaceLandmarkImg -fdir "../videos/" -ofdir "./demo_img/" -oidir "./demo_img/" -wild -q
-  - ../build/bin/FaceLandmarkImg -inroot ../videos -f obama.jpg -outroot data -of obama.txt -op obama.3d -oi obama.bmp -multi_view 1 -wild -q
+  - ../build/bin/FaceLandmarkImg -inroot ../videos -f Obama.jpg -outroot data -of obama.txt -op obama.3d -oi obama.bmp -multi_view 1 -wild -q
   - ../build/bin/FaceLandmarkVidMulti -inroot ../videos -f multi_face.avi -outroot output -ov multi_face.avi -q
   - ../build/bin/FeatureExtraction -f "../videos/1815_01_008_tony_blair.avi" -outroot output_features -ov blair.avi -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_test.avi -hogalign hog_test.dat -q
   - ../build/bin/FaceLandmarkVid -inroot ../videos -f 1815_01_008_tony_blair.avi -f 0188_03_021_al_pacino.avi -f 0217_03_006_alanis_morissette.avi -outroot output_data -ov 1.avi -ov 2.avi -ov 3.avi -q
\ No newline at end of file
diff --git a/exe/FaceLandmarkImg/FaceLandmarkImg.cpp b/exe/FaceLandmarkImg/FaceLandmarkImg.cpp
index b25aabd..931bc84 100644
--- a/exe/FaceLandmarkImg/FaceLandmarkImg.cpp
+++ b/exe/FaceLandmarkImg/FaceLandmarkImg.cpp
@@ -557,8 +557,14 @@ int main (int argc, char **argv)
 						boost::filesystem::path ext = out_feat_path.extension();
 						outimage = dir.string() + preferredSlash + fname.string() + string(name) + ext.string();
 						create_directory_from_file(outimage);
-						imwrite(outimage, display_image);	
+						bool write_success = cv::imwrite(outimage, display_image);	
 						
+						if (!write_success)
+						{
+							cout << "Could not output a processed image" << endl;
+							return 1;
+						}
+
 					}
 
 				}
@@ -630,7 +636,13 @@ int main (int argc, char **argv)
 				if(!outimage.empty())
 				{
 					create_directory_from_file(outimage);
-					imwrite(outimage, display_image);	
+					bool write_success = imwrite(outimage, display_image);	
+
+					if (!write_success)
+					{
+						cout << "Could not output a processed image" << endl;
+						return 1;
+					}
 				}
 			}
 		}				
diff --git a/exe/FeatureExtraction/FeatureExtraction.cpp b/exe/FeatureExtraction/FeatureExtraction.cpp
index dffffa8..b49b143 100644
--- a/exe/FeatureExtraction/FeatureExtraction.cpp
+++ b/exe/FeatureExtraction/FeatureExtraction.cpp
@@ -621,8 +621,13 @@ int main (int argc, char **argv)
 				std::string preferredSlash = slash.make_preferred().string();
 				
 				string out_file = output_similarity_align[f_n] + preferredSlash + string(name);
-				imwrite(out_file, sim_warped_img);
-
+				bool write_success = imwrite(out_file, sim_warped_img);
+				
+				if (!write_success)
+				{
+					cout << "Could not output similarity aligned image image" << endl;
+					return 1;
+				}
 			}
 
 			// Visualising the tracker