diff --git a/add_curve_extra_objects/add_curve_spirofit_bouncespline.py b/add_curve_extra_objects/add_curve_spirofit_bouncespline.py
index d0c1c747a3d90069c72aedffdc583cd9ae17fe83..382b2d6b10b2273c56b1889469a186fbbf48f306 100644
--- a/add_curve_extra_objects/add_curve_spirofit_bouncespline.py
+++ b/add_curve_extra_objects/add_curve_spirofit_bouncespline.py
@@ -295,7 +295,7 @@ class SpiroFitSpline(Operator):
         col.prop(self, "spire_resolution")
         row = col.row(align=True).split(0.9, align=True)
         row.prop(self, "spires")
-        row.prop(self, "direction", toggle=True, text="", icon="ARROW_LEFTRIGHT")
+        row.prop(self, "direction", toggle=True, text="", icon='ARROW_LEFTRIGHT')
         col.prop(self, "offset")
         col.prop(self, "waves")
         col.prop(self, "wave_iscale")
diff --git a/add_curve_extra_objects/add_curve_torus_knots.py b/add_curve_extra_objects/add_curve_torus_knots.py
index e093257a427e13462390b350a650cfb219e9cc99..4c26fe079bae8d02518e10f4ae96076ed322ad7b 100644
--- a/add_curve_extra_objects/add_curve_torus_knots.py
+++ b/add_curve_extra_objects/add_curve_torus_knots.py
@@ -576,12 +576,12 @@ class torus_knot_plus(Operator, AddObjectHelper):
         split = box.split(percentage=0.85, align=True)
         split.prop(self, "torus_p", text="Revolutions")
         split.prop(self, "flip_p", toggle=True, text="",
-                   icon="ARROW_LEFTRIGHT")
+                   icon='ARROW_LEFTRIGHT')
 
         split = box.split(percentage=0.85, align=True)
         split.prop(self, "torus_q", text="Spins")
         split.prop(self, "flip_q", toggle=True, text="",
-                   icon="ARROW_LEFTRIGHT")
+                   icon='ARROW_LEFTRIGHT')
 
         links = gcd(self.torus_p, self.torus_q)
         info = "Multiple Links"
diff --git a/sequencer_kinoraw_tools/ui.py b/sequencer_kinoraw_tools/ui.py
index 51b5de4227396ea4cd3de8064117951577fa99ce..9e7f2762cda2e822c8b4b9923ff485421489ba0d 100644
--- a/sequencer_kinoraw_tools/ui.py
+++ b/sequencer_kinoraw_tools/ui.py
@@ -354,7 +354,7 @@ class JumptoCut(Panel):
                         row.operator("sequencerextra.sourceout", icon='MARKER_HLT', text="OUT")
 
                     row.separator()
-                    row.operator("sequencerextra.setinout", icon="ARROW_LEFTRIGHT", text="")
+                    row.operator("sequencerextra.setinout", icon='ARROW_LEFTRIGHT', text="")
                     row.operator("sequencerextra.triminout", icon="FULLSCREEN_EXIT", text="")
 
                 # miniUI extra actions
@@ -411,7 +411,7 @@ class JumptoCut(Panel):
                 row2 = col.row(align=True)
                 row2.operator("sequencerextra.sourceout", icon='MARKER_HLT', text="Set OUT")
                 row3 = col.row()
-                row3.operator("sequencerextra.setinout", icon="ARROW_LEFTRIGHT", text="Selected")
+                row3.operator("sequencerextra.setinout", icon='ARROW_LEFTRIGHT', text="Selected")
 
                 sub_col = box.split(percentage=0.67, align=True)
                 row4 = sub_col.row(align=True)