diff --git a/ootw/Makefile b/ootw/Makefile
index 5c6c1271..1469be39 100644
--- a/ootw/Makefile
+++ b/ootw/Makefile
@@ -49,7 +49,7 @@ OOTW_C2:	ootw_c2.o
 
 ootw_c2.o:	ootw_c2.s \
 	gr_copy.s gr_fast_clear.s gr_pageflip.s gr_unrle.s gr_putsprite.s \
-	keyboard.s gr_run_sequence.s \
+	keyboard.s gr_run_sequence.s physicist.s \
 	ootw_graphics/sprites/sprites_physicist.inc \
 	ootw_c2_cage.s ootw_c2_jail.s ootw_c2_intro.s \
 	ootw_graphics/cage/ootw_c2_cage.inc \
diff --git a/ootw/physicist.s b/ootw/physicist.s
index 2b104e2c..066995f1 100644
--- a/ootw/physicist.s
+++ b/ootw/physicist.s
@@ -1,5 +1,7 @@
 	;=======================================
 	; Move physicist based on current state
+	;
+	; TODO: only update on even frames to slow things down?
 
 move_physicist:
 	lda	PHYSICIST_STATE
@@ -17,7 +19,7 @@ move_physicist_walking:
 
 	lda     GAIT
 	and     #$7
-	cmp     #$4
+	cmp     #$4			; only walk roughly 1/8 of time
 	bne     no_move_walk
 
 	lda	DIRECTION
@@ -33,8 +35,13 @@ no_move_walk:
 	;======================
 	; running
 move_physicist_running:
+;	inc	GAIT			; cycle through animation
 	inc	GAIT			; cycle through animation
-	inc	GAIT			; cycle through animation
+
+	lda     GAIT
+	and     #$3
+	cmp     #$2			; only run roughly 1/4 of time
+	bne     no_move_run
 
 	lda	DIRECTION
 	beq	p_run_left
@@ -43,7 +50,7 @@ move_physicist_running:
 	rts
 p_run_left:
 	dec	PHYSICIST_X		; run left
-
+no_move_run:
 	rts
 	;======================
 	; standing