diff --git a/dlls/msi/action.c b/dlls/msi/action.c
index 16c633be807..f2e8e7113f6 100644
--- a/dlls/msi/action.c
+++ b/dlls/msi/action.c
@@ -245,7 +245,7 @@ static int parse_prop( const WCHAR *str, WCHAR *value, int *quotes )
             {
             case '"':
                 state = state_quote;
-                if (in_quotes) count--;
+                if (in_quotes && p[1] != '\"') count--;
                 else count++;
                 break;
             case ' ':
@@ -329,7 +329,7 @@ UINT msi_parse_command_line( MSIPACKAGE *package, LPCWSTR szCommandLine,
 
         ptr2 = strchrW( ptr, '=' );
         if (!ptr2) return ERROR_INVALID_COMMAND_LINE;
- 
+
         len = ptr2 - ptr;
         if (!len) return ERROR_INVALID_COMMAND_LINE;
 
diff --git a/dlls/msi/tests/install.c b/dlls/msi/tests/install.c
index 6b86cd28501..df6fe9cba65 100644
--- a/dlls/msi/tests/install.c
+++ b/dlls/msi/tests/install.c
@@ -4718,9 +4718,7 @@ static void test_propcase(void)
 
     r = MsiInstallProductA(msifile, "BLAHBLAH=\"Copyright \"\"My Company\"\" 2015\" MyProp=42");
     ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %u\n", r);
-todo_wine
     ok(delete_pf("msitest\\augustus", TRUE), "File not installed\n");
-todo_wine
     ok(delete_pf("msitest", FALSE), "Directory not created\n");
 
 error: