diff --git a/source/core/gameinput.cpp b/source/core/gameinput.cpp
index e93778e56..da97d5b05 100644
--- a/source/core/gameinput.cpp
+++ b/source/core/gameinput.cpp
@@ -137,9 +137,9 @@ void processMovement(InputPacket* const currInput, InputPacket* const inputBuffe
 
 	// process player pitch input.
 	if (!(inputBuffer->actions & SB_AIMMODE))
-		currInput->horz += hidInput->mouseturny + hidInput->dpitch * hidspeed * scaleAdjustf;
+		currInput->horz += hidInput->mouseturny - hidInput->dpitch * hidspeed * scaleAdjustf;
 	else
-		currInput->fvel -= hidInput->mousemovey + hidInput->dpitch * keymove * scaleAdjustf;
+		currInput->fvel -= hidInput->mousemovey - hidInput->dpitch * keymove * scaleAdjustf;
 
 	// process movement input.
 	currInput->fvel += moving * keymove;
diff --git a/source/core/inputstate.cpp b/source/core/inputstate.cpp
index 3bda76595..5da4b3edd 100644
--- a/source/core/inputstate.cpp
+++ b/source/core/inputstate.cpp
@@ -213,7 +213,7 @@ void getHidInput(HIDInput* const hidInput)
 		I_GetAxes(joyaxes);
 
 		hidInput->dyaw += joyaxes[JOYAXIS_Yaw];
-		hidInput->dpitch += -joyaxes[JOYAXIS_Pitch];
+		hidInput->dpitch += joyaxes[JOYAXIS_Pitch];
 		hidInput->dforward += joyaxes[JOYAXIS_Forward] * .5f;
 		hidInput->dside += joyaxes[JOYAXIS_Side] * .5f;		
 	}