diff --git a/src/NpChar.cpp b/src/NpChar.cpp
index 9e50f2b3..589eab8b 100644
--- a/src/NpChar.cpp
+++ b/src/NpChar.cpp
@@ -68,7 +68,7 @@ BOOL LoadEvent(const char *path_event)
 	// Read "PXE" check
 	char code[4];
 	fread(code, 1, 4, fp);
-	if (memcmp(code, gPassPixEve, 3))
+	if (memcmp(code, gPassPixEve, 3) != 0)
 	{
 #ifdef FIX_BUGS
 		// The original game forgot to close the file here
diff --git a/src/Profile.cpp b/src/Profile.cpp
index 0f0cb37f..f9dc051c 100644
--- a/src/Profile.cpp
+++ b/src/Profile.cpp
@@ -104,7 +104,7 @@ BOOL LoadProfile(const char *name)
 
 	// Check header code
 	fread(profile.code, 8, 1, fp);
-	if (memcmp(profile.code, gProfileCode, 8))
+	if (memcmp(profile.code, gProfileCode, 8) != 0)
 	{
 #ifdef FIX_BUGS
 		fclose(fp);	// The original game forgets to close the file