diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index 35915c96f3c..e3e4822b383 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -1947,7 +1947,7 @@ int handleEventWarp(TransInfo *t, wmEvent *event)
 {
 	int status = 0;
 
-	if (event->type == MIDDLEMOUSE && event->val)
+	if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
 	{
 		// Use customData pointer to signal warp direction
 		if	(t->customData == 0)
@@ -2081,7 +2081,7 @@ int handleEventShear(TransInfo *t, wmEvent *event)
 {
 	int status = 0;
 
-	if (event->type == MIDDLEMOUSE && event->val)
+	if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
 	{
 		// Use customData pointer to signal Shear direction
 		if	(t->customData == 0)
@@ -3514,7 +3514,7 @@ void initBevel(TransInfo *t)
 
 int handleEventBevel(TransInfo *t, wmEvent *event)
 {
-	if (event->val) {
+	if (event->val==KM_PRESS) {
 		if(!G.editBMesh) return 0;
 
 		switch (event->type) {
diff --git a/source/blender/editors/transform/transform_input.c b/source/blender/editors/transform/transform_input.c
index ae8aacb3477..6bd0a8c8d42 100644
--- a/source/blender/editors/transform/transform_input.c
+++ b/source/blender/editors/transform/transform_input.c
@@ -317,7 +317,7 @@ int handleMouseInput(TransInfo *t, MouseInput *mi, wmEvent *event)
 	{
 	case LEFTSHIFTKEY:
 	case RIGHTSHIFTKEY:
-		if (event->val)
+		if (event->val==KM_PRESS)
 		{
 			t->modifiers |= MOD_PRECISION;
 			/* shift is modifier for higher precision transform