diff --git a/CHANGELOG.md b/CHANGELOG.md
index f981daff..79632a40 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - fixed memory leak in sbiesvc
 - fixed issue with inconsistent WFP option application [#3900](https://github.com/sandboxie-plus/Sandboxie/issues/3900)
 - fixed resource leak in buffer hashing function
+- fixed DLL name corruption when BlockInterferenceControl is enabled [#3945](https://github.com/sandboxie-plus/Sandboxie/issues/3945)
 
 
 
diff --git a/Sandboxie/core/dll/gui.c b/Sandboxie/core/dll/gui.c
index 90dec74e..b94a1026 100644
--- a/Sandboxie/core/dll/gui.c
+++ b/Sandboxie/core/dll/gui.c
@@ -1950,11 +1950,11 @@ _FX BOOL Gui_MoveWindow(
 
         typedef BOOL (*P_SystemParametersInfoA)(UINT uiAction, UINT uiParam, PVOID pvParam, UINT fWinIni);
         static P_SystemParametersInfoA SystemParametersInfoA = NULL;
-        if (!SystemParametersInfoA) SystemParametersInfoA = Ldr_GetProcAddrNew("user32.dll", "SystemParametersInfoA", "SystemParametersInfoA");
+        if (!SystemParametersInfoA) SystemParametersInfoA = Ldr_GetProcAddrNew(L"user32.dll", L"SystemParametersInfoA", "SystemParametersInfoA");
 
         typedef int (*P_GetSystemMetrics)(int nIndex);
         static P_GetSystemMetrics GetSystemMetrics = NULL;
-        if (!GetSystemMetrics) GetSystemMetrics = Ldr_GetProcAddrNew("user32.dll", "GetSystemMetrics", "GetSystemMetrics");
+        if (!GetSystemMetrics) GetSystemMetrics = Ldr_GetProcAddrNew(L"user32.dll", L"GetSystemMetrics", "GetSystemMetrics");
 
         if (SystemParametersInfoA && GetSystemMetrics) {
 
@@ -2005,11 +2005,11 @@ _FX BOOL Gui_SetWindowPos(
 
         typedef BOOL (*P_SystemParametersInfoA)(UINT uiAction, UINT uiParam, PVOID pvParam, UINT fWinIni);
         static P_SystemParametersInfoA SystemParametersInfoA = NULL;
-        if (!SystemParametersInfoA) SystemParametersInfoA = Ldr_GetProcAddrNew("user32.dll", "SystemParametersInfoA", "SystemParametersInfoA");
+        if (!SystemParametersInfoA) SystemParametersInfoA = Ldr_GetProcAddrNew(L"user32.dll", L"SystemParametersInfoA", "SystemParametersInfoA");
 
         typedef int (*P_GetSystemMetrics)(int nIndex);
         static P_GetSystemMetrics GetSystemMetrics = NULL;
-        if (!GetSystemMetrics) GetSystemMetrics = Ldr_GetProcAddrNew("user32.dll", "GetSystemMetrics", "GetSystemMetrics");
+        if (!GetSystemMetrics) GetSystemMetrics = Ldr_GetProcAddrNew(L"user32.dll", L"GetSystemMetrics", "GetSystemMetrics");
 
         if (SystemParametersInfoA && GetSystemMetrics) {