diff --git a/CHANGES b/CHANGES
index 1ea0ed9c..e64b5a98 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,9 @@ What's New for OpenJPEG
 ! : changed
 + : added
 
+October 19, 2011
+* [mickael] WIP: resolve some memory leak in compare functions
+
 October 12, 2011
 * [mickael] WIP: resolve heap corruption with p0_07.j2k (credit to Winfried)
 * [mickael] WIP: correct some memory leaks in applications functions 
diff --git a/tests/comparePGXimages.c b/tests/comparePGXimages.c
index 97cd0baa..48189156 100644
--- a/tests/comparePGXimages.c
+++ b/tests/comparePGXimages.c
@@ -321,7 +321,10 @@ double* parseToleranceValues( char* inArg, const int nbcomp)
     }
 
   if (it_comp != nbcomp)
+  {
+	free(outArgs);
     return NULL;
+  }
   else
     return outArgs;
 }
@@ -407,10 +410,21 @@ opj_image_t* readImageFromFilePGX(char* filename, int nbFilenamePGX, char *separ
     // Read the pgx file corresponding to the component
     image_read = pgxtoimage(filenameComponentPGX, &parameters);
     if (!image_read)
-      {
-      fprintf(stderr, "Unable to load pgx file\n");
-      return NULL;
-      }
+    {
+    	int it_free_data;
+		fprintf(stderr, "Unable to load pgx file\n");
+
+		free(param_image_read);
+
+		for (it_free_data = 0; it_free_data < it_file; it_free_data++) {
+			free(data[it_free_data]);
+		}
+		free(data);
+
+		free(filenameComponentPGX);
+
+		return NULL;
+	}
 
     // Set the image_read parameters
     param_image_read[it_file].x0 = 0;
@@ -498,10 +512,10 @@ int main(int argc, char **argv)
   if( parse_cmdline_cmp(argc, argv, &inParam) == EXIT_FAILURE )
     {
     comparePGXimages_help_display();
-    if (!inParam.tabMSEvalues) free(inParam.tabMSEvalues);
-    if (!inParam.tabPEAKvalues) free(inParam.tabPEAKvalues);
-    if (!inParam.base_filename) free(inParam.base_filename);
-    if (!inParam.test_filename) free(inParam.test_filename);
+    if (inParam.tabMSEvalues) free(inParam.tabMSEvalues);
+    if (inParam.tabPEAKvalues) free(inParam.tabPEAKvalues);
+    if (inParam.base_filename) free(inParam.base_filename);
+    if (inParam.test_filename) free(inParam.test_filename);
     return EXIT_FAILURE;
     }
 
@@ -560,10 +574,10 @@ int main(int argc, char **argv)
     }
   else
     {
-    if (!inParam.tabMSEvalues) free(inParam.tabMSEvalues);
-    if (!inParam.tabPEAKvalues) free(inParam.tabPEAKvalues);
-    if (!inParam.base_filename) free(inParam.base_filename);
-    if (!inParam.test_filename) free(inParam.test_filename);
+    if (inParam.tabMSEvalues) free(inParam.tabMSEvalues);
+    if (inParam.tabPEAKvalues) free(inParam.tabPEAKvalues);
+    if (inParam.base_filename) free(inParam.base_filename);
+    if (inParam.test_filename) free(inParam.test_filename);
     return EXIT_FAILURE;
     }
 
@@ -582,10 +596,10 @@ int main(int argc, char **argv)
     }
   else
     {
-    if (!inParam.tabMSEvalues) free(inParam.tabMSEvalues);
-    if (!inParam.tabPEAKvalues) free(inParam.tabPEAKvalues);
-    if (!inParam.base_filename) free(inParam.base_filename);
-    if (!inParam.test_filename) free(inParam.test_filename);
+    if (inParam.tabMSEvalues) free(inParam.tabMSEvalues);
+    if (inParam.tabPEAKvalues) free(inParam.tabPEAKvalues);
+    if (inParam.base_filename) free(inParam.base_filename);
+    if (inParam.test_filename) free(inParam.test_filename);
     free(filenamePNGbase);
     return EXIT_FAILURE;
     }
diff --git a/tests/compareRAWimages.c b/tests/compareRAWimages.c
index fb037c24..851dbfff 100644
--- a/tests/compareRAWimages.c
+++ b/tests/compareRAWimages.c
@@ -127,18 +127,52 @@ int main(int argc, char **argv)
 	if (parse_cmdline_cmp(argc, argv, &inParam) == EXIT_FAILURE)
 	{
 		compareRAWimages_help_display();
+
+		/* Free Memory */
+		if (inParam.base_filename){
+			free(inParam.base_filename);
+			inParam.base_filename = NULL;
+		}
+		if (inParam.test_filename){
+			free(inParam.test_filename);
+			inParam.test_filename = NULL;
+		}
+
 		return EXIT_FAILURE;
 	}
 
 	file_test = fopen(inParam.test_filename, "rb");
 	if (!file_test) {
 		fprintf(stderr, "Failed to open %s for reading !!\n", inParam.test_filename);
+
+		/* Free Memory */
+		if (inParam.base_filename){
+			free(inParam.base_filename);
+			inParam.base_filename = NULL;
+		}
+		if (inParam.test_filename){
+			free(inParam.test_filename);
+			inParam.test_filename = NULL;
+		}
+
 		return EXIT_FAILURE;
 	}
 
 	file_base = fopen(inParam.base_filename, "rb");
 	if (!file_base) {
 		fprintf(stderr, "Failed to open %s for reading !!\n", inParam.base_filename);
+
+		/* Free Memory */
+		if (inParam.base_filename){
+			free(inParam.base_filename);
+			inParam.base_filename = NULL;
+		}
+		if (inParam.test_filename){
+			free(inParam.test_filename);
+			inParam.test_filename = NULL;
+		}
+
+		fclose(file_test);
 		return EXIT_FAILURE;
 	}
 
@@ -179,6 +213,16 @@ int main(int argc, char **argv)
 		}
 	}
 
+	/* Free Memory */
+	if (inParam.base_filename){
+		free(inParam.base_filename);
+		inParam.base_filename = NULL;
+	}
+	if (inParam.test_filename){
+		free(inParam.test_filename);
+		inParam.test_filename = NULL;
+	}
+
 	fclose(file_test);
 	fclose(file_base);