diff --git a/dlls/msi/action.c b/dlls/msi/action.c
index c61a70b22be..9303bcb5c8f 100644
--- a/dlls/msi/action.c
+++ b/dlls/msi/action.c
@@ -240,7 +240,7 @@ struct _actions {
     STANDARDACTIONHANDLER handler;
 };
 
-static struct _actions StandardActions[];
+static const struct _actions StandardActions[];
 
 
 /********************************************************
@@ -4316,7 +4316,7 @@ static UINT ACTION_UnregisterComPlus( MSIPACKAGE *package )
     return msi_unimplemented_action_stub( package, "UnregisterComPlus", table );
 }
 
-static struct _actions StandardActions[] = {
+static const struct _actions StandardActions[] = {
     { szAllocateRegistrySpace, ACTION_AllocateRegistrySpace },
     { szAppSearch, ACTION_AppSearch },
     { szBindImage, ACTION_BindImage },
diff --git a/dlls/msi/dialog.c b/dlls/msi/dialog.c
index b05049784f0..e222dcba880 100644
--- a/dlls/msi/dialog.c
+++ b/dlls/msi/dialog.c
@@ -2399,7 +2399,7 @@ static BOOL str_is_number( LPCWSTR str )
     return TRUE;
 }
 
-WCHAR column_keys[][80] =
+static const WCHAR column_keys[][80] =
 {
     {'V','o','l','u','m','e','C','o','s','t','V','o','l','u','m','e',0},
     {'V','o','l','u','m','e','C','o','s','t','S','i','z','e',0},
diff --git a/dlls/msi/font.c b/dlls/msi/font.c
index 32dbbbe9687..2b08a0f7a43 100644
--- a/dlls/msi/font.c
+++ b/dlls/msi/font.c
@@ -137,7 +137,7 @@ static LPWSTR load_ttfname_from(LPCWSTR filename)
         {
             int nPos;
             LPSTR buf;
-            static LPCSTR tt = " (TrueType)";
+            static const char tt[] = " (TrueType)";
 
             ttRecord.uStringLength = SWAPWORD(ttRecord.uStringLength);
             ttRecord.uStringOffset = SWAPWORD(ttRecord.uStringOffset);
diff --git a/dlls/msi/update.c b/dlls/msi/update.c
index 502af143d87..a2bcbd06d55 100644
--- a/dlls/msi/update.c
+++ b/dlls/msi/update.c
@@ -171,7 +171,7 @@ static UINT UPDATE_find_matching_rows( struct tagMSIVIEW *view, UINT col, UINT v
 }
 
 
-static MSIVIEWOPS update_ops =
+static const MSIVIEWOPS update_ops =
 {
     UPDATE_fetch_int,
     NULL,