diff --git a/src/actions.cc b/src/actions.cc
index ffff2b6..292e5ce 100644
--- a/src/actions.cc
+++ b/src/actions.cc
@@ -529,7 +529,7 @@ void _show_damage(Attack* attack, int attackerAnimation, int delay)
     for (int index = 0; index < attack->extrasLength; index++) {
         Object* object = attack->extras[index];
         if (FID_TYPE(object->fid) == OBJ_TYPE_CRITTER) {
-            reg_anim_26(ANIMATION_REQUEST_RESERVED, delay);
+            animationRegisterPing(ANIMATION_REQUEST_RESERVED, delay);
             delay = 0;
         }
     }
diff --git a/src/animation.cc b/src/animation.cc
index 49b725b..e446bf7 100644
--- a/src/animation.cc
+++ b/src/animation.cc
@@ -67,7 +67,7 @@ typedef enum AnimationKind {
     ANIM_KIND_CHECK_FALLING = 23,
     ANIM_KIND_TOGGLE_OUTLINE = 24,
     ANIM_KIND_ANIMATE_FOREVER = 25,
-    ANIM_KIND_26 = 26,
+    ANIM_KIND_PING = 26,
     ANIM_KIND_27 = 27,
     ANIM_KIND_NOOP = 28,
 
@@ -411,7 +411,7 @@ static int _anim_free_slot(int requestOptions)
             if (!(animationSequence->flags & ANIM_SEQ_RESERVED)) {
                 v2++;
             }
-        } else if (v1 == -1 && ((requestOptions & ANIMATION_REQUEST_0x100) == 0 || (animationSequence->flags & ANIM_SEQ_0x10) == 0)) {
+        } else if (v1 == -1 && ((requestOptions & ANIMATION_REQUEST_PING) == 0 || (animationSequence->flags & ANIM_SEQ_0x10) == 0)) {
             v1 = index;
         }
     }
@@ -1331,14 +1331,14 @@ int animationRegisterAnimateForever(Object* owner, int anim, int delay)
 }
 
 // 0x415598
-int reg_anim_26(int a1, int delay)
+int animationRegisterPing(int flags, int delay)
 {
     if (_check_registry(NULL) == -1) {
         _anim_cleanup();
         return -1;
     }
 
-    int animationSequenceIndex = _anim_free_slot(a1 | ANIMATION_REQUEST_0x100);
+    int animationSequenceIndex = _anim_free_slot(flags | ANIMATION_REQUEST_PING);
     if (animationSequenceIndex == -1) {
         return -1;
     }
@@ -1348,7 +1348,7 @@ int reg_anim_26(int a1, int delay)
     AnimationSequence* animationSequence = &(gAnimationSequences[gAnimationSequenceCurrentIndex]);
     AnimationDescription* animationDescription = &(animationSequence->animations[gAnimationDescriptionCurrentIndex]);
     animationDescription->owner = NULL;
-    animationDescription->kind = ANIM_KIND_26;
+    animationDescription->kind = ANIM_KIND_PING;
     animationDescription->artCacheKey = NULL;
     animationDescription->animationSequenceIndex = animationSequenceIndex;
     animationDescription->delay = delay;
@@ -1520,7 +1520,7 @@ static int animationRunSequence(int animationSequenceIndex)
             }
             rc = _anim_set_continue(animationSequenceIndex, 0);
             break;
-        case ANIM_KIND_26:
+        case ANIM_KIND_PING:
             gAnimationSequences[animationDescription->animationSequenceIndex].flags &= ~ANIM_SEQ_0x10;
             rc = _anim_set_continue(animationDescription->animationSequenceIndex, 1);
             if (rc != -1) {
@@ -1610,7 +1610,7 @@ static int _anim_set_end(int animationSequenceIndex)
 
         if (animationDescription->kind != 11 && animationDescription->kind != 12) {
             // TODO: Check.
-            if (animationDescription->kind != ANIM_KIND_26) {
+            if (animationDescription->kind != ANIM_KIND_PING) {
                 Object* owner = animationDescription->owner;
                 if (FID_TYPE(owner->fid) == OBJ_TYPE_CRITTER) {
                     int j = 0;
diff --git a/src/animation.h b/src/animation.h
index 68625bd..c4d89d9 100644
--- a/src/animation.h
+++ b/src/animation.h
@@ -10,7 +10,7 @@ typedef enum AnimationRequestOptions {
     ANIMATION_REQUEST_UNRESERVED = 0x01,
     ANIMATION_REQUEST_RESERVED = 0x02,
     ANIMATION_REQUEST_NO_STAND = 0x04,
-    ANIMATION_REQUEST_0x100 = 0x100,
+    ANIMATION_REQUEST_PING = 0x100,
     ANIMATION_REQUEST_INSIGNIFICANT = 0x200,
 } AnimationRequestOptions;
 
@@ -142,7 +142,7 @@ int animationRegisterSetLightDistance(Object* owner, int lightDistance, int dela
 int animationRegisterToggleOutline(Object* object, bool outline, int delay);
 int animationRegisterPlaySoundEffect(Object* owner, const char* soundEffectName, int delay);
 int animationRegisterAnimateForever(Object* owner, int anim, int delay);
-int reg_anim_26(int a1, int a2);
+int animationRegisterPing(int flags, int delay);
 int _make_path(Object* object, int from, int to, unsigned char* a4, int a5);
 int pathfinderFindPath(Object* object, int from, int to, unsigned char* rotations, int a5, PathBuilderCallback* callback);
 int _make_straight_path(Object* a1, int from, int to, STRUCT_530014_28* pathNodes, Object** a5, int a6);