diff --git a/channels/printer/client/printer_main.c b/channels/printer/client/printer_main.c
index e83ef5a07..42bcd3fbf 100644
--- a/channels/printer/client/printer_main.c
+++ b/channels/printer/client/printer_main.c
@@ -934,13 +934,16 @@ error_out:
 static rdpPrinterDriver* printer_load_backend(const char* backend)
 {
 	typedef rdpPrinterDriver* (*backend_load_t)(void);
+	union {
+		PVIRTUALCHANNELENTRY entry;
+		backend_load_t backend;
+	} fktconv;
 
-	backend_load_t entry =
-	    (backend_load_t)freerdp_load_channel_addin_entry("printer", backend, NULL, 0);
-	if (!entry)
+	fktconv.entry = freerdp_load_channel_addin_entry("printer", backend, NULL, 0);
+	if (!fktconv.entry)
 		return NULL;
 
-	return entry();
+	return fktconv.backend();
 }
 
 /**
diff --git a/channels/rdpdr/client/devman.c b/channels/rdpdr/client/devman.c
index 5ade857a5..af3cdd6b2 100644
--- a/channels/rdpdr/client/devman.c
+++ b/channels/rdpdr/client/devman.c
@@ -183,7 +183,12 @@ UINT devman_load_device_service(DEVMAN* devman, const RDPDR_DEVICE* device, rdpC
 	const char* ServiceName = NULL;
 	DEVICE_SERVICE_ENTRY_POINTS ep;
 	PDEVICE_SERVICE_ENTRY entry = NULL;
+	union {
+		const RDPDR_DEVICE* cdp;
+		RDPDR_DEVICE* dp;
+	} devconv;
 
+	devconv.cdp = device;
 	if (!devman || !device || !rdpcontext)
 		return ERROR_INVALID_PARAMETER;
 
@@ -220,7 +225,7 @@ UINT devman_load_device_service(DEVMAN* devman, const RDPDR_DEVICE* device, rdpC
 
 	ep.devman = devman;
 	ep.RegisterDevice = devman_register_device;
-	ep.device = device;
+	ep.device = devconv.dp;
 	ep.rdpcontext = rdpcontext;
 	return entry(&ep);
 }
diff --git a/libfreerdp/codec/planar.c b/libfreerdp/codec/planar.c
index 40a9085f6..c443da700 100644
--- a/libfreerdp/codec/planar.c
+++ b/libfreerdp/codec/planar.c
@@ -105,7 +105,7 @@ static INLINE INT32 planar_decompress_plane_rle_only(const BYTE* pSrcData, UINT3
 
 	previousScanline = NULL;
 
-	for (y = 0; y < nHeight; y++)
+	for (y = 0; y < (INT32)nHeight; y++)
 	{
 		BYTE* dstp = &pDstData[((y) * (INT32)nWidth)];
 		pixel = 0;
diff --git a/libfreerdp/codec/progressive.c b/libfreerdp/codec/progressive.c
index c30d76f5c..646fca84f 100644
--- a/libfreerdp/codec/progressive.c
+++ b/libfreerdp/codec/progressive.c
@@ -2145,6 +2145,12 @@ INT32 progressive_decompress(PROGRESSIVE_CONTEXT* progressive, const BYTE* pSrcD
 	REGION16 clippingRects, updateRegion;
 	PROGRESSIVE_BLOCK_REGION* region;
 	PROGRESSIVE_SURFACE_CONTEXT* surface = progressive_get_surface_data(progressive, surfaceId);
+	union {
+		const BYTE* cbp;
+		BYTE* bp;
+	} sconv;
+
+	sconv.cbp = pSrcData;
 
 	if (!surface)
 	{
@@ -2157,7 +2163,7 @@ INT32 progressive_decompress(PROGRESSIVE_CONTEXT* progressive, const BYTE* pSrcD
 	if (!region)
 		return -1111;
 
-	Stream_StaticInit(&ss, pSrcData, SrcSize);
+	Stream_StaticInit(&ss, sconv.bp, SrcSize);
 	s = &ss;
 
 	switch (DstFormat)
diff --git a/server/proxy/pf_modules.c b/server/proxy/pf_modules.c
index 99ad16826..1584d1dae 100644
--- a/server/proxy/pf_modules.c
+++ b/server/proxy/pf_modules.c
@@ -169,12 +169,17 @@ BOOL pf_modules_run_filter(PF_FILTER_TYPE type, proxyData* pdata, void* param)
  */
 static BOOL pf_modules_set_plugin_data(const char* plugin_name, proxyData* pdata, void* data)
 {
+	union {
+		const char* ccp;
+		char* cp;
+	} ccharconv;
 	assert(plugin_name);
 
+	ccharconv.ccp = plugin_name;
 	if (data == NULL) /* no need to store anything */
 		return FALSE;
 
-	if (HashTable_Add(pdata->modules_info, plugin_name, data) < 0)
+	if (HashTable_Add(pdata->modules_info, ccharconv.cp, data) < 0)
 	{
 		WLog_ERR(TAG, "[%s]: HashTable_Add failed!");
 		return FALSE;
@@ -192,10 +197,15 @@ static BOOL pf_modules_set_plugin_data(const char* plugin_name, proxyData* pdata
  */
 static void* pf_modules_get_plugin_data(const char* plugin_name, proxyData* pdata)
 {
+	union {
+		const char* ccp;
+		char* cp;
+	} ccharconv;
 	assert(plugin_name);
 	assert(pdata);
+	ccharconv.ccp = plugin_name;
 
-	return HashTable_GetItemValue(pdata->modules_info, plugin_name);
+	return HashTable_GetItemValue(pdata->modules_info, ccharconv.cp);
 }
 
 static void pf_modules_abort_connect(proxyData* pdata)