diff --git a/src/effects/magiclamp/magiclamp.cpp b/src/effects/magiclamp/magiclamp.cpp
index 55291d3b24..9648c1e7bb 100644
--- a/src/effects/magiclamp/magiclamp.cpp
+++ b/src/effects/magiclamp/magiclamp.cpp
@@ -182,10 +182,13 @@ void MagicLampEffect::apply(EffectWindow *w, int mask, WindowPaintData &data, Wi
         }
 
 #define SANITIZE_PROGRESS               \
-    if (p_progress[0] < 0)              \
+    if (p_progress[0] < 0) {            \
         p_progress[0] = -p_progress[0]; \
-    if (p_progress[1] < 0)              \
-    p_progress[1] = -p_progress[1]
+    }                                   \
+    if (p_progress[1] < 0) {            \
+        p_progress[1] = -p_progress[1]; \
+    }
+
 #define SET_QUADS(_SET_A_, _A_, _DA_, _SET_B_, _B_, _O0_, _O1_, _O2_, _O3_)                                                                      \
     quad[0]._SET_A_((icon._A_() + icon._DA_() * (quad[0]._A_() / geo._DA_()) - (quad[0]._A_() + geo._A_())) * p_progress[_O0_] + quad[0]._A_()); \
     quad[1]._SET_A_((icon._A_() + icon._DA_() * (quad[1]._A_() / geo._DA_()) - (quad[1]._A_() + geo._A_())) * p_progress[_O1_] + quad[1]._A_()); \