diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index c1044600a24..4b2fd150c93 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -561,6 +561,18 @@ UINT WINAPI MsiInstallProductW(LPCWSTR szPackagePath, LPCWSTR szCommandLine)
     return rc;
 }
 
+UINT WINAPI MsiReinstallProductA(LPCSTR szProduct, DWORD dwReinstallMode)
+{
+	FIXME("%s 0x%08lx\n", debugstr_a(szProduct), dwReinstallMode);
+	return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+UINT WINAPI MsiReinstallProductW(LPCWSTR szProduct, DWORD dwReinstallMode)
+{
+	FIXME("%s 0x%08lx\n", debugstr_w(szProduct), dwReinstallMode);
+	return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
 UINT WINAPI MsiConfigureProductA(LPCSTR szProduct, int iInstallLevel, INSTALLSTATE eInstallState)
 {
     LPWSTR szwProduct = NULL;
diff --git a/dlls/msi/msi.spec b/dlls/msi/msi.spec
index 7153fc78c1b..8bc8cf26a02 100644
--- a/dlls/msi/msi.spec
+++ b/dlls/msi/msi.spec
@@ -127,8 +127,8 @@
 127 stub MsiReinstallFeatureFromDescriptorA
 128 stub MsiReinstallFeatureFromDescriptorW
 129 stub MsiReinstallFeatureW
-130 stub MsiReinstallProductA
-131 stub MsiReinstallProductW
+130 stdcall MsiReinstallProductA(str long)
+131 stdcall MsiReinstallProductW(wstr long)
 132 stub MsiSequenceA
 133 stub MsiSequenceW
 134 stub MsiSetComponentStateA
diff --git a/include/msi.h b/include/msi.h
index 72f67fee989..5f86f091fa7 100644
--- a/include/msi.h
+++ b/include/msi.h
@@ -77,6 +77,21 @@ typedef enum tagINSTALLMESSAGE
     INSTALLMESSAGE_SHOWDIALOG = 0x0e000000
 } INSTALLMESSAGE;
 
+typedef enum tagREINSTALLMODE
+{
+    REINSTALLMODE_REPAIR = 0x00000001,
+    REINSTALLMODE_FILEMISSING = 0x00000002,
+    REINSTALLMODE_FILEOLDERVERSION = 0x00000004,
+    REINSTALLMODE_FILEEQUALVERSION = 0x00000008,
+    REINSTALLMODE_FILEEXACT = 0x00000010,
+    REINSTALLMODE_FILEVERIFY = 0x00000020,
+    REINSTALLMODE_FILEREPLACE = 0x00000040,
+    REINSTALLMODE_MACHINEDATA = 0x00000080,
+    REINSTALLMODE_USERDATA = 0x00000100,
+    REINSTALLMODE_SHORTCUT = 0x00000200,
+    REINSTALLMODE_PACKAGE = 0x00000400
+} REINSTALLMODE;
+
 typedef enum tagINSTALLLOGMODE
 {
     INSTALLLOGMODE_FATALEXIT      = (1 << (INSTALLMESSAGE_FATALEXIT >> 24)),
@@ -113,6 +128,10 @@ UINT WINAPI MsiInstallProductA(LPCSTR, LPCSTR);
 UINT WINAPI MsiInstallProductW(LPCWSTR, LPCWSTR);
 #define     MsiInstallProduct WINELIB_NAME_AW(MsiInstallProduct)
 
+UINT WINAPI MsiReinstallProductA(LPCSTR, DWORD);
+UINT WINAPI MsiReinstallProductW(LPCWSTR, DWORD);
+#define     MsiReinstallProduct WINELIB_NAME_AW(MsiReinstallProduct)
+
 UINT WINAPI MsiEnumProductsA(DWORD index, LPSTR lpguid);
 UINT WINAPI MsiEnumProductsW(DWORD index, LPWSTR lpguid);
 #define     MsiEnumProducts WINELIB_NAME_AW(MsiEnumProducts)
diff --git a/programs/msiexec/msiexec.c b/programs/msiexec/msiexec.c
index 79b546a4a85..21cd9c2eea3 100644
--- a/programs/msiexec/msiexec.c
+++ b/programs/msiexec/msiexec.c
@@ -123,6 +123,7 @@ int main(int argc, char *argv[])
 {
 	int i;
 	BOOL FunctionInstall = FALSE;
+	BOOL FunctionRepair = FALSE;
 	BOOL FunctionDllRegisterServer = FALSE;
 	BOOL FunctionDllUnregisterServer = FALSE;
 
@@ -132,6 +133,8 @@ int main(int argc, char *argv[])
 	LPSTR Properties = HeapAlloc(GetProcessHeap(), 0, 1);
 	LPSTR TempStr = NULL;
 
+	DWORD RepairMode = 0;
+
 	LPSTR DllName = NULL;
 
 	Properties[0] = 0;
@@ -172,11 +175,68 @@ int main(int argc, char *argv[])
 		}
 		else if(!strncasecmp(argv[i], "/f", 2))
 		{
+			int j;
+			int len = strlen(argv[i]);
+			FunctionRepair = TRUE;
+			for(j = 2; j < len; j++)
+			{
+				switch(argv[i][j])
+				{
+					case 'P':
+					case 'p':
+						RepairMode |= REINSTALLMODE_FILEMISSING;
+						break;
+					case 'O':
+					case 'o':
+						RepairMode |= REINSTALLMODE_FILEOLDERVERSION;
+						break;
+					case 'E':
+					case 'e':
+						RepairMode |= REINSTALLMODE_FILEEQUALVERSION;
+						break;
+					case 'D':
+					case 'd':
+						RepairMode |= REINSTALLMODE_FILEEXACT;
+						break;
+					case 'C':
+					case 'c':
+						RepairMode |= REINSTALLMODE_FILEVERIFY;
+						break;
+					case 'A':
+					case 'a':
+						RepairMode |= REINSTALLMODE_FILEREPLACE;
+						break;
+					case 'U':
+					case 'u':
+						RepairMode |= REINSTALLMODE_USERDATA;
+						break;
+					case 'M':
+					case 'm':
+						RepairMode |= REINSTALLMODE_MACHINEDATA;
+						break;
+					case 'S':
+					case 's':
+						RepairMode |= REINSTALLMODE_SHORTCUT;
+						break;
+					case 'V':
+					case 'v':
+						RepairMode |= REINSTALLMODE_PACKAGE;
+						break;
+					default:
+						fprintf(stderr, "Unknown option \"%c\" in Repair mode\n", argv[i][j]);
+						break;
+				}
+			}
 			i++;
 			if(i >= argc)
 				ShowUsage(1);
-			WINE_FIXME("Repair not implemented yet\n");
-			ExitProcess(1);
+			GotProductCode = GetProductCode(argv[i], ProductCode);
+			if(!GotProductCode)
+			{
+				HeapFree(GetProcessHeap(), 0, ProductCode);
+				ProductCode = NULL;
+				PackageName = argv[i];
+			}
 		}
 		else if(!strcasecmp(argv[i], "/x"))
 		{
@@ -311,6 +371,22 @@ int main(int argc, char *argv[])
 			}
 		}
 	}
+	else if(FunctionRepair)
+	{
+		if(GotProductCode)
+		{
+			WINE_FIXME("Product code treatment not implemented yet\n");
+			ExitProcess(1);
+		}
+		else
+		{
+			if(MsiReinstallProductA(PackageName, RepairMode) != ERROR_SUCCESS)
+			{
+				fprintf(stderr, "Repair of %s (0x%08lx) failed.\n", PackageName, RepairMode);
+				ExitProcess(1);
+			}
+		}
+	}
 	else if(FunctionDllRegisterServer)
 	{
 		DllRegisterServer(DllName);