diff --git a/port/include/input.h b/port/include/input.h
index 7080fb97a..e62d6cc30 100644
--- a/port/include/input.h
+++ b/port/include/input.h
@@ -107,6 +107,7 @@ void inputMouseGetPosition(s32 *x, s32 *y);
 void inputMouseGetRawDelta(s32 *dx, s32 *dy);
 
 // returns changes in mouse position since last frame, scaled by sensitivity
+// returns 0, 0 when the mouse is not locked into the window
 void inputMouseGetScaledDelta(f32 *dx, f32 *dy);
 
 // call this every frame
diff --git a/port/src/input.c b/port/src/input.c
index a533233c0..b47767e8f 100644
--- a/port/src/input.c
+++ b/port/src/input.c
@@ -363,8 +363,14 @@ void inputMouseGetRawDelta(s32 *dx, s32 *dy)
 
 void inputMouseGetScaledDelta(f32 *dx, f32 *dy)
 {
-	s32 w, h;
-	SDL_GetWindowSize(videoGetWindowHandle(), &w, &h); 
-	if (dx) *dx = mouseSensX * (f32)mouseDX / 100.0f;
-	if (dy) *dy = mouseSensY * (f32)mouseDY / 100.0f;
+	f32 mdx, mdy;
+	if (mouseLocked) {
+		mdx = mouseSensX * (f32)mouseDX / 100.0f;
+		mdy = mouseSensY * (f32)mouseDY / 100.0f;
+	} else {
+		mdx = 0.f;
+		mdy = 0.f;
+	}
+	if (dx) *dx = mdx;
+	if (dy) *dy = mdy;
 }
diff --git a/src/game/bondeyespy.c b/src/game/bondeyespy.c
index 9dd2b7f43..7e18e1836 100644
--- a/src/game/bondeyespy.c
+++ b/src/game/bondeyespy.c
@@ -24,6 +24,9 @@
 #include "lib/collision.h"
 #include "data.h"
 #include "types.h"
+#ifndef PLATFORM_N64
+#include "input.h"
+#endif
 
 u8 g_EyespyPickup = false;
 u8 g_EyespyHit = EYESPYHIT_NONE;
@@ -898,6 +901,24 @@ void eyespyProcessInput(bool allowbuttons)
 		}
 #endif
 
+#ifndef PLATFORM_N64
+		if (g_Vars.currentplayernum == 0) {
+			f32 mdx, mdy;
+			inputMouseGetScaledDelta(&mdx, &mdy);
+			if (mdx || mdy) {
+				mdx *= g_Vars.lvupdate60freal;
+				mdy *= g_Vars.lvupdate60freal;
+				g_Vars.currentplayer->eyespy->theta += mdx * 1.5f;
+				// hold aim to move up and down, release to look up and down
+				if (aimpressed) {
+					ascendspeed -= mdy;
+				} else {
+					g_Vars.currentplayer->eyespy->verta -= mdy * 1.5f;
+				}
+			}
+		}
+#endif
+
 		// Update theta
 		g_Vars.currentplayer->eyespy->theta += c1stickx * 0.0625f * g_Vars.lvupdate60freal;
 
diff --git a/src/game/bondmove.c b/src/game/bondmove.c
index c077d4749..dfc60e294 100644
--- a/src/game/bondmove.c
+++ b/src/game/bondmove.c
@@ -697,7 +697,7 @@ void bmoveProcessInput(bool allowc1x, bool allowc1y, bool allowc1buttons, bool i
 	movedata.analogwalk = movedata.c1stickysafe;
 
 #ifndef PLATFORM_N64
-	if (inputMouseIsLocked() && g_Vars.currentplayernum == 0 && (allowc1x || allowc1y)) {
+	if (g_Vars.currentplayernum == 0 && (allowc1x || allowc1y)) {
 		inputMouseGetScaledDelta(&movedata.freelookdx, &movedata.freelookdy);
 	}
 #endif
diff --git a/src/game/player.c b/src/game/player.c
index 5c1f5303e..7756e9d71 100644
--- a/src/game/player.c
+++ b/src/game/player.c
@@ -72,6 +72,7 @@
 #include "types.h"
 #ifndef PLATFORM_N64
 #include "video.h"
+#include "input.h"
 #endif
 
 s32 g_DefaultWeapons[2];
@@ -3540,6 +3541,17 @@ void playerTick(bool arg0)
 				sp178 = sticky * LVUPDATE60FREAL() * 0.00025f;
 				sp174 = -stickx * LVUPDATE60FREAL() * 0.00025f;
 
+#ifndef PLATFORM_N64
+				if (g_Vars.currentplayernum == 0) {
+					f32 mdx, mdy;
+					inputMouseGetScaledDelta(&mdx, &mdy);
+					if (mdx || mdy) {
+						sp178 += mdy * LVUPDATE60FREAL() * 0.0025f;
+						sp174 -= mdx * LVUPDATE60FREAL() * 0.0025f;
+					}
+				}
+#endif
+
 				f20 = sqrtf(sp2ac.f[0] * sp2ac.f[0] + sp2ac.f[2] * sp2ac.f[2]);
 
 				sp2ac.x /= f20;