diff --git a/libfreerdp/primitives/sse/prim_copy_avx2.c b/libfreerdp/primitives/sse/prim_copy_avx2.c
index 644f6f61f..57af2d30c 100644
--- a/libfreerdp/primitives/sse/prim_copy_avx2.c
+++ b/libfreerdp/primitives/sse/prim_copy_avx2.c
@@ -62,7 +62,7 @@ static INLINE pstatus_t avx2_image_copy_bgr24_bgrx32(BYTE* WINPR_RESTRICT pDstDa
 	const SSIZE_T width = nWidth - rem;
 
 	const size_t align = nSrcStep % 32;
-	const BOOL fast = (align == 0) ? TRUE : (align >= 8 - MIN(8, rem) ? TRUE : FALSE);
+	const BOOL fast = (align == 0) ? TRUE : (align >= 8 - MIN(8, (size_t)rem) ? TRUE : FALSE);
 	for (SSIZE_T y = 0; y < nHeight; y++)
 	{
 		const BYTE* WINPR_RESTRICT srcLine =
diff --git a/libfreerdp/primitives/sse/prim_copy_sse4_1.c b/libfreerdp/primitives/sse/prim_copy_sse4_1.c
index 8419db00a..108123d2b 100644
--- a/libfreerdp/primitives/sse/prim_copy_sse4_1.c
+++ b/libfreerdp/primitives/sse/prim_copy_sse4_1.c
@@ -57,7 +57,7 @@ static INLINE pstatus_t sse_image_copy_bgr24_bgrx32(BYTE* WINPR_RESTRICT pDstDat
 	const SSIZE_T rem = nWidth % 4;
 
 	const size_t align = nSrcStep % 64;
-	const BOOL fast = (align == 0) ? TRUE : (align >= 16 - MIN(16, rem) ? TRUE : FALSE);
+	const BOOL fast = (align == 0) ? TRUE : (align >= 16 - MIN(16, (size_t)rem) ? TRUE : FALSE);
 	const SSIZE_T width = nWidth - rem;
 	for (SSIZE_T y = 0; y < nHeight; y++)
 	{
diff --git a/winpr/libwinpr/clipboard/synthetic.c b/winpr/libwinpr/clipboard/synthetic.c
index f1406bc26..4958493a1 100644
--- a/winpr/libwinpr/clipboard/synthetic.c
+++ b/winpr/libwinpr/clipboard/synthetic.c
@@ -602,8 +602,8 @@ static void* clipboard_synthesize_text_html(wClipboard* clipboard, UINT32 format
 
 		const long end = strtol(&endStr[8], NULL, 10);
 
-		if (beg < 0 || end < 0 || (beg > SrcSize) || (end > SrcSize) || (beg >= end) ||
-		    (errno != 0))
+		if (beg < 0 || end < 0 || ((size_t)beg > SrcSize) || ((size_t)end > SrcSize) ||
+		    (beg >= end) || (errno != 0))
 			return NULL;
 
 		const size_t DstSize = (size_t)(end - beg);