diff --git a/dlls/crypt32/crypt32.spec b/dlls/crypt32/crypt32.spec
index 3f5db87b03..ea2b6fadeb 100644
--- a/dlls/crypt32/crypt32.spec
+++ b/dlls/crypt32/crypt32.spec
@@ -218,7 +218,7 @@
 @ stub I_CryptUninstallOssGlobal
 @ stdcall PFXExportCertStore(ptr ptr ptr long)
 @ stdcall PFXExportCertStoreEx(ptr ptr ptr ptr long)
-@ stub PFXImportCertStore
+@ stdcall PFXImportCertStore(ptr ptr long)
 @ stdcall PFXIsPFXBlob(ptr)
 @ stub RegCreateHKCUKeyExU
 @ stub RegCreateKeyExU
diff --git a/dlls/crypt32/decode.c b/dlls/crypt32/decode.c
index bc0ee17c53..f353131842 100644
--- a/dlls/crypt32/decode.c
+++ b/dlls/crypt32/decode.c
@@ -5546,3 +5546,10 @@ BOOL WINAPI PFXIsPFXBlob(CRYPT_DATA_BLOB *pPFX)
         ret = FALSE;
     return ret;
 }
+
+HCERTSTORE WINAPI PFXImportCertStore(CRYPT_DATA_BLOB *pPFX, LPCWSTR szPassword,
+ DWORD dwFlags)
+{
+    FIXME("(%p, %p, %08x): stub\n", pPFX, szPassword, dwFlags);
+    return NULL;
+}